Click the answer to find similar crossword clues . A. You can easily improve your search by specifying the number of letters in the answer. mathit is ordinarily used for italic *words in math environments; single letters are assumed to be variables so the style is adjusted slightly. Make sure you know how to spell and pronounce at least these six Greek characters. The uppercase letter pi , the 16th letter of the modern Greek alphabet. The symbols Δ and δ are both representations. Sorority letter. of 09. The Greek alphabet consists of 24 letters, 7 of which were vowels, and consisted of capital letters. In general mathematics, uppercase Σ is used as an operator for summation. It is the first writing system using a separate symbol for each vowel and consonant and the. It is preceded by ο and followed by ρ. The term pi comes from the greek letter pi, which is the first letter of the word which in English is "perimeter". USA Today Crossword Puzzle Answers Today May 15 2023. Alphabetic character. By custom, the Greek origin of a word is indicated by using the "ph. The Phoenician letter also gave rise to the Latin P and Cyrillic П. These first fraternities established the model for the fraternities that came after and they are still active nearly 200 years later. Beta (Ββ): The Greek letter Beta was pronounced /b/ in classical Greek, which is why the symbol is. form or compose. π. Greek letter after pi Crossword Clue Answer. We have 1 possible answer in our database. We found 20 possible solutions for this clue. Kategori Jumat, 06 Oktober 2023 Edit. Greek letters are commonly used in math and science to represent things like constants or variables. It is derived from Phoenician letter res. " The Greeks renamed this form pi (Π). in Political Science. Thus, if you want to insert several symbols, you need to repeat these steps for each insertion. There are 9 more letters left after Omicron, including Pi. Pions are the lightest mesons and, more generally, the. Enter a Crossword Clue. The syllable division for RHO is: rho. Rho / ˈ r oʊ / (uppercase Ρ, lowercase ρ or ϱ; Greek: ρο or ρω) is the seventeenth letter of the Greek alphabet. Letter from Greece slipped into our house Letter from the Corinthia Letter in Socrates' name Letter on some college ja P P on a fraternity house P, in Greece P, on a fraternity house P, on a fraternity jacket Pi follower Pythagorean character Sigma preceder Something like 25 occupying another hotel Sorority chapter Sorority letter Sweater. " Alumnus. For instance, the decimal version of Greek lowercase omega tonos (ώ) would be ώ The hexadecimal version of Greek lowercase omega tonos (ώ) would be ώ Note that the hexadecimal numbers include x as part of the code. Greek letter after Phi + Greek letter after Pi. ”. (74. In mathematics, pi is an irrational number and most agree it represents infinity. Enter the length or pattern for better results. The letter is pronounced as "p". A slab on display at the Acropolis Museum in. Below are all possible answers to this clue ordered by its rank. There are several ways to display a pi symbol using HTML and unicode. Loser to VHS. The Crossword Solver found 30 answers to "greek letter after pi", 3 letters crossword clue. Pi follower. O. [101] The Greek letters you are most likely to see for angles (in geometry and trigonometry) are α (alpha), β (beta), γ (gamma), δ (delta), and θ (theta). Enter the length or pattern for better results. We found 20 possible solutions for this clue. See also [ edit ] ( Greek-script letters ) Α α , Β β , Γ γ , Δ δ , Ε ε , Ζ ζ , Η η , Θ θ , Ι ι , Κ κ , Λ λ , Μ μ , Ν ν , Ξ ξ , Ο ο , Π π , Ρ ρ , Σ σ ς , Τ τ , Υ υ , Φ φ , Χ χ , Ψ ψ , Ω ωThe Greek Alphabet. Translingual: ·(international standards) ISO 639-1 language code for Pali. Click the answer to find similar crossword clues . fair. It means both “the symbol π denoting the ratio of the circumference of a circle to its diameter” and “the ratio. People in Greece and Cyprus still use the Greek alphabet to writer modern Greek. Find the Unicode decimal code for the letter in the table at the end of this article and insert it using the CHAR function. Mathematical Constants: Greek letters such as “π” (pi) and “Φ” (phi) are renowned mathematical constants widely used in various mathematical calculations. 1416. The letter before sigma is called rho, and corresponds to the R sound in English. , it has become a political flashpoint destined for a cable news chyron reading CHAOS AND HYSTERIA: ANCIENT GREECE TO BLAME. Letter after upsilon. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. By custom, the Greek origin of a word is indicated by using the "ph. tracking page. Click the answer to find similar crossword clues . Digamma or wau (uppercase: Ϝ, lowercase: ϝ, numeral: ϛ) is an archaic letter of the Greek alphabet. The Greek letter pi is a symbol for the ratio of the diameter to the circumference of a circle. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. 529. from. Pi follower; Seventeenth Greek letter; Other May 11 2022 Puzzle Clues. As usual, I only include clues that are reasonably closely tied to the topic at hand (the Greek alphabet in this case). Christine is a 2011 graduate of Santa Clara University’s JD/MBA program, after having graduated in 2007 from University of California, Irvine with B. The Crossword Solver found 30 answers to "letter after pi/761222", 3 letters crossword clue. Greek Letter Pi (Πι - Π) The Semitic form probably had no meaning. We have got the solution for the Greek letter after pi crossword clue right here. Only $35. Tip: Use ? for unknown answer letters, ex: UNKNO?N. What is the Letter I in Greek? The letter I in the Greek Alphabet is the letter ‘iota’. The Greek alphabet is derived from the Phoenician alphabeth and has been used to write the Greek language since the 8th century BC. Overview. g. There are related clues (shown below). We didn't find answers to the clue “Rho” but we did find clues where “Rho” could be the answer: 17th Greek letter. There are now seven “variants of interest” or “variants of concern” and they each have a Greek letter, according to a W. Pi is commonly shortened to “3. Ar, in Athens. See also [ edit ] ( Greek-script letters ) Α α , Β β , Γ γ , Δ δ , Ε ε , Ζ ζ , Η η , Θ θ , Ι ι , Κ κ , Λ λ , Μ μ , Ν ν , Ξ ξ , Ο ο , Π π , Ρ ρ , Σ σ ς , Τ τ , Υ υ , Φ φ , Χ χ , Ψ ψ , Ω ω The Greek letter pi is a symbol for the ratio of the diameter to the circumference of a circle. Enter the length or pattern for better results. Click the answer to find similar crossword clues . Enlarging them would look quite odd in comparison to the other characters. g. Today's crossword puzzle clue is a quick one: Greek letter after pi. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Some words that contain the letter Z are: zoom, bazaar, zebra, Zen, zoo, zoology, and zipper. Ancient Roman poet Crossword Clue. Another noted that in Greek the letter PHI is indeed pronounced PHEE. ” will find “PUZZLE”. Pi ( /ˈpaɪ/; Ancient Greek /piː/ or /peî/, uppercase Π, lowercase π, cursive ϖ; Greek: πι [pi]) is the sixteenth letter of the Greek alphabet, meaning units united, and representing the voiceless bilabial plosive IPA: [p]. The World Meteorological Organization is retiring the use of the Greek alphabet in naming storms. Other Greek letters common in mathematics include alpha, beta, gamma, and theta. 8. Mathematically, Pi is simply the ratio between the diameter and circumference of every circle. The greek alphabet has been used since 900 BC to write the Greek Language . The Ancient Greek Alphabet: Z is the last letter in the Latin alphabet. Protective gear Crossword Clue. A common example is the Greek letter Pi, which is a mathematical constant and is used as the ratio of a circle’s circumference to its radius. What is Pi? “Probably no symbol in mathematics has evoked as much mystery, romanticism, misconception and human interest as the number pi” ~William L. set down or print with letters. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. In mathematics, the uppercase pi is used for the Pi product operator (for example. in Economics and B. Click the answer to find similar crossword clues . 4. Creed II antagonist ___ Drago. It represented the voiceless unaspirated bilabial plosive /p/. Enter the length or pattern for better results. 4 Formatting the Output from a Regression Model; 5 LSLR Regression. The next letter in the Greek alphabet after omicron is pi. The solution we have for Letter after pi has a total of 3 letters. You can use the Symbol fonts at insert Greek letters or symbols includes Word documents. The circumference of a circle is given the constant π (pi) multiplied by two times the radius of the circle. Search for crossword clues found in the Daily Celebrity, NY Times, Daily Mirror, Telegraph and major publications. ( π) ( / paɪ /) is a mathematical constant that is the ratio of a circle 's circumference to its diameter. There are a total of 77 clues in May 15 2023 crossword puzzle. For example, the letter pi is used as the name and symbol for a mathematical constant. Its name is pronounced in Modern Greek, and generally / z aɪ / or / k s aɪ / in English. Below are all possible answers to this clue ordered by its rank. Clue: Greek letter that comes after pi. What letter comes after Sigma. Some other variants with Greek letters do not. The Greek alphabet has been retired as a. t. Alpha (Αα) Alpha is the first letter of the Greek alphabet, and its sound is similar to the English “a” in words like “father” or “apple. Enter a Crossword Clue. Sort A-Z. There are related clues (shown below). Likely related crossword puzzle clues. )The plural version is "Alumnae. For example, I include the crossword clue "___ particle" (Answer: ALPHA), because this clue reflects the general practice of using letters in the Greek alphabet to name scientific entities. Alpha (Αα) Alpha is the first letter of the Greek alphabet, and its sound is similar to the English “a” in words like “father” or “apple. Whereas it was originally called waw or wau, its most common appellation in classical Greek is digamma; as a numeral, it was called episēmon during. We found 20 possible solutions for this clue. The Greek form is used for the circumference of a circle with unit diameter. Greek letter that comes after pi is a crossword puzzle clue that we have spotted 2 times. Pi is commonly shortened to “3. The USA Today Crossword is a daily crossword puzzle that is published in the USA Today newspaper and on its website. 1. Pi Kappa Phi (ΠΚΦ), commonly known as Pi Kapp(s), is an American Greek Letter secret and social fraternity. During the later part of Classical. Bristles at; Military, navy,. This variety of Greek is known as Mycenaean. in this way, a math variable a can be distinguished visually from the. It was last seen in American quick crossword. Kappa, Lambda, and Mu. ”. One of North America's oldest fraternities, as of August 2023 it consists of 142 active chapters and colonies in the United States and Canada. Alpha is the first letter of the alphabet, and the last letter is omega. Quick Pi 𝜋. We think the likely answer to this clue is BETA. Why does the Greek letter Pi signify the ratio of a circles circumference? The Greek word for perimeter begins with the letter pi, and since circumference and perimeter are the same the letter Pi was used. Regardless of the circle's. ZZ. Greek letter after pi 2% 3 MUS: Letters before nus By CrosswordSolver IO. With coronavirus variants, the world is learning the Greek alphabet, one grim letter at a time. 24, 1979; New York Times - Jan. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Letter on Greek euros is a crossword puzzle clue. Nu /ˈnjuː/ (uppercase Ν lowercase ν; Greek: νι ni ) is the 13th letter of the Greek alphabet. In the system of Greek numerals, it has a value of 60. On Crete another script, known as the Cypriot syllabary, was used to write the local variety of Greek between about 1200 and 300 BC. It is the ancestor of modern languages and is derived from the Phoenician alphabet. The modern Greek alphabet comes from the ancient Greek alphabet, so you can argue the letters – like the first,. Follow us on twitter: @CrosswordTrackThese ancient Greek letters appear in other fields too, including mathematics (most famously perhaps, pi) and astronomy (where Greek letters are used to designate the brightest stars in a constellation). So, if you want to say the Greek alphabet from A to Z, you'll actually need to say it from alpha to omega! In looking at the letters of the Greek alphabet, a few of them probably already look familiar. As the. Chapter. Between pi and sigma. Pi (uppercase Π, lowercase π) is the sixteenth letter of the Greek alphabet and it has a value of 80 in the Greek numeral system. " 06. A Brief History of Written Greek. 529 was discovered last week in South Africa, observers might have expected WHO to name it after the next Greek letter on the list. Misty Contreras Mar 14, 2022 3:59 pm 2022-03-14T15:59:50-05:00 Share This Article From the Ancient Greek πεῖ (peî, “ pi ”). com. Eta / ˈ iː t ə, ˈ eɪ t ə / EE-tə, AY-tə (uppercase Η, lowercase η; Ancient Greek: ἦτα ē̂ta or Greek: ήτα ita) is the seventh letter of the Greek alphabet, representing the close front unrounded vowel IPA:. Uppercase Greek Alphabet Letters ( Black ) The 24 Greek Alphabet Letters in Uppercase: Alpha, Beta, Gamma, Delta, Epsilon, Zeta, Eta, Theta, Iota, Kappa, Lambda, Mu Nu, Xi, Omicron, Pi, Rho, Sigma, Tau, Upsilon, Phi, Chi, Psi, Omega Α Alpha ( al-fah ) Β Beta ( bay-tah ) Γ Gamma ( gam-ah ) Δ Delta ( del-ta ) Ε Epsilon ( ep-si-lon ) Ζ Zeta. The Greek word for perimeter begins with the letter pi, and since circumference and perimeter are the same the letter Pi was used. Click the answer to find similar crossword clues. Answers for greek letter after pi/761355 crossword clue, 3 letters. In the system of Greek numerals, it has a value of 200. To insert letters or symbols using the Select font: Click in the location in the document find you want to inserting the letter or symbol. Click the answer to find similar crossword clues . Below are all possible answers to this clue ordered by its rank. O. R. The Greek alphabet is the ancestor of the Latin and Cyrillic scripts. You may have also seen “alpha" used in various places. GREEK (adjective) of or relating to or characteristic of Greece or the Greeks or the Greek language. Likely related crossword puzzle clues. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. See also: Π [U+03A0 GREEK CAPITAL LETTER PI], ∏ [U+220F N-ARY PRODUCT], ㄇ [U+3107 BOPOMOFO LETTER M], ㄫ [U+312B BOPOMOFO LETTER. As the sixteenth letter in the Greek alphabet, pi comes right after the letter omicron, and is followed by the letter rho. Aristotle`s P. It corresponds to the Semitic pe, perhaps deriving from an earlier sign for "mouth. Delta. 9%) Greek letter after eta (74. Below are all possible answers to this clue ordered by its rank. Pi or π is a Greek letter used by a British Mathematician, William Jones in 1706. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. O. For example, the letter pi is used as the name and symbol for a mathematical constant. (Other definitions for rho that I've seen before include "Seventeenth letter of the Greek alphabet". For ordinary cardinal numbers, however, modern. The meaning of PI is the 16th letter of the Greek alphabet. The Latin alphabet originally had 21 letters in the first. So after a new variant with the unwieldy scientific name of B. in Political Science. Greek letter after pi crossword clue; Greek god of love crossword clue; Glowing review crossword clue; FX drama about ballroom culture crossword clue; Fruit with SweeTango and Pink Lady varieties crossword clue; Forgo crossword clue; Eroded over time crossword clue; Dessert with cream cheese frosting crossword clue3. The correct answer is delta because it is the only option that matches the given symbols in the question. But there are not many letters. Here are the possible solutions for "Greek letter after pi" clue. This constant appears in seemingly endless mathematical calculations and is necessary for understanding various geometric and trigonometric principles. g. After pi. Snow-clearing vehicle. Below are all possible answers to this clue ordered by its rank. The ancient Babylonians calculated the area of a circle by taking 3 times the square of its radius, which gave a value of pi = 3. Wikipedia el Pi is one of the more famous letters of the Greek alphabet. 3 O. By Steven Lee Myers. Ancient Greek [edit] Etymology [edit] Derived from its majuscule counterpart Π. However, in Greek the letter we call PI is also pronounced PEE. ventilated. Sorority letter. The Seventh Letter: “Zeta” is the seventh letter in the Greek alphabet but is commonly used to represent the number seven in mathematical contexts. The Crossword Solver found 30 answers to "Greek letters after nus", 3 letters crossword clue. , Lawrence Harry Mixson, and Simon Fogarty Jr. (mathematics) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3. On Crete another script, known as the Cypriot syllabary, was used to write the local variety of Greek between about 1200 and 300 BC. Tau. Enter the length or pattern for better results. 4 Writing a Distribution; 4 Formatting. On Keyboard. How to use pi in a sentence. Pi Symbol, The Sixteenth Letter in Greek Alphabet – ©Niakris6 at ShutterStock. The Crossword Solver found 30 answers to "greek letter after alpha (4)", 4 letters crossword clue. Why a version of this letter with the right upright rounded became the Roman "P", matching the Greek letter for "R", is anybody's guess. The syllable division for RHO is: rho. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Using lowercase alpha (α), beta (β), and gamma (ɣ) to refer to different types of particles and radiation. a native or inhabitant of Greece. What letter comes after Rho? Sigma. Pi or π is a Greek letter used by a British Mathematician, William Jones in 1706. 5The crossword clue "___ Walsh," 1970 film with 5 letters was last seen on the January 01, 1993. The Greek letter set, which comprises 24 letters, conveys the sounds and meaning of the Greek language. The Italic alphabets, and ultimately Latin, adopted the letter H from this Greek usage. All answers below for Greek letter that follows "pi" crossword clue Daily Themed Classic will help you solve the puzzle quickly. Click the answer to find similar crossword clues . Here you can copy Greek alphabets, letters, Greek symbols, and their English pronunciation in just one click. Enter a Crossword Clue. Answers for greek letter between phi anh psi crossword clue, 3 letters. Phi ___ (college group, familiarly) By CrosswordSolver IO. Α α. This video shows you How to Pronounce Phi (Greek Letter Φ, ϕ), pronunciation guide. In particle physics, a pion (or a pi meson, denoted with the Greek letter pi: π) is any of three subatomic particles: π0, π+, and π−. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. 1. The Acrophonic symbol for 5 was , the symbol for the Ancient Greek letter pi that was in use at the time. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. We have scanned multiple crosswords today in search of the possible answer to the clue in question, although it’s always worth noting that separate puzzles may have different answers to the same clue, so double-check the specific crossword mentioned below and the length of the answer. The Crossword Solver found 30 answers to "greek after pi", 3 letters crossword clue. 18 Images Lego Zombies. Letter After Pi. It is the first writing system using a separate symbol for each vowel and consonant and the oldest alphabetic system that is still in use. Pi is the sixteenth letter of the Greek alphabet and has a numerical value of 80. 1 R. 另一個例子是‘Delta. The table below can used to find the right characters or codes to express the Greek alphabet in html documents or similar. We think the likely answer to this clue is RHO. We found 20 possible solutions for this clue. Loop setting, briefly. It is where the circumference is the length around the circle and the diameter of the length from one side of the circle to the other whilst going. an award earned by participation in a school sport. We found 20 possible solutions for this clue. About us. What letter comes after Tau. The crossword clue Greek letter after alpha with 4 letters was last seen on the May 30, 2023. How to use pi in a sentence. All the rest are consonants. Like π for 3. There are related clues (shown below). A common example is the Greek letter Pi, which is a mathematical constant and is used as the ratio of a circle’s circumference to its radius. English Sound. The Unicode numeric entity codes can be expressed as either decimal numbers or hexadecimal numbers. We think the likely answer to this clue is RHO. We think the likely answer to this clue is ARTEMISIA. an award earned by participation in a school sport. ), similar to. Greek: Alpha Α, Beta Β, Gamma Γ, Delta Δ, Epsilon Ε, Zeta Ζ. In both Classical and Modern Greek, the letter indicates the combination /ps/ (as in. · (mathematics) characteristic function (any meaning) or characteristic polynomial··Lower-case chi (χεῖ), the 22nd letter of the ancient Greek. There are related clues (shown below). Some examples include: Using lowercase pi (𝜋) to represent the circumference to diameter ratio of a circle. An eighteenth-century French mathematician named Georges Buffon devised a way to calculate π based on probability. We found 20 possible solutions for this clue. Search for crossword clues found in the Daily Celebrity, NY Times, Daily Mirror, Telegraph and major publications. And of course. “P. t. See examples of GREEK ALPHABET used in a sentence. 1. Likely related crossword puzzle clues. Greek letters are commonly used in math and science to represent things like constants or variables. The original Greek alphabet did not have diacritics. Sorority letter. The Greek alphabet has 24 letters, some of them representing sounds. Fraternity letter. USA Today puzzle clues 2023 Apr 13. What letter comes after Rho? Sigma. The Crossword Solver found 30 answers to "Greek letter that comes after pi", 3 letters crossword clue. Greek Letters today are used for writing modern greek and symbols in mathematics and science. Greek letter after pi. The Pi symbol essentially represents the sound [p]. 9%) Greek letter after sigma (74. The Greek alphabet is attested since the 8th century BC, and until 403 BC, variations of the Greek alphabet—which exclusively used what are now known as capitals —were used in different cities and areas. In these contexts, the capital letters and the small letters represent distinct and unrelated entities. It was the fourth social fraternity at Dartmouth College. Today's crossword puzzle clue is a quick one: Greek letter after pi. The Crossword Solver found 30 answers to "Discarded letter of the Greek alphabet (3)", 3 letters crossword clue. The last is omega. When one word ends with either τ, π, or κ, and the word directly following begins with ϩ , the last letter of the first word will often contract with the first letter of the second word, resulting in. The men, after heavy drinking at three different fraternities, sought out a former member of the freshman. Greek letter. What is the origin of pi? Pi is the Latin name of the sixteenth Greek letter, π. It is followed by the 24th (last) letter, omega, written as uppercase Ω (ZΩ), lower case ω (zω); and the Greek name. 14159. What is the Letter I in Greek? The letter I in the Greek Alphabet is the letter ‘iota’. From 403 on, the Athenians decided to employ a version of the Ionian alphabet. ) The first recorded use of π as a mathematical symbol. Clue & Answer Definitions. A further 50 clues may be related. 141592653589793 and continues without end. A. TripSavvy. We found 57 answers for the crossword clue Greek letter. Throughout its known history it has represented the unvoiced labial stop. 1 R. Review the evolution of the alphabet from cuneiform writing to the Ancient Greek writing alphabet. π΄, ͵π. 10. It was a very slow process. H. Founded with a passion for building leaders who make a better world, Sigma Alpha Pi — primarily known as the National Society of Leadership and Success (NSLS) — is the nation’s largest leadership honor society. Greek letter after pi Crossword Clue Answer. It is the ratio of a line segment cut into two pieces of different lengths such that the ratio of the whole segment to that of the longer segment is equal to the ratio of the longer segment to the. Developed in the 9th century B. Sorority letter; Letter after pi; Greek consonant; Letter from Greece; Sigma preceder; Letter before sigma; Recent usage in crossword puzzles: New York Times - March 2, 1980; New York Times - Nov. We will try to find the right answer to this particular crossword clue. Pi is commonly shortened to “3. Road trip breaks Crossword Clue. Use the CHAR Function. Click the answer to find similar crossword clues . Enter a Crossword Clue. 14. 1 Making Greek Letters; 3. Greek letter after pi 2% 7 EMANATE: Greek character, celebrity, backed issue By CrosswordSolver IO. We found 57 answers for the crossword clue Greek letter. Though it is an irrational number, some people use rational expressions, such as 22/7 or 333/106. ' the letter after pi ' is the definition. Clue: Greek letter after pi. And so on (Abbr. 26, 2022; USA Today - March 24, 2021; Pat Sajak Code Letter - Sept. The crossword clue Pigs let loose (anag) — one who studies caves with 12 letters was last seen on the July 29, 2016. The word RHO is a 3 letter word that has 1 syllable's. Greek letter. The pi symbol is used to denote the real transcendental constant pi, more commonly known as the pi number (3. Answers for greek letter that folows pi crossword clue, 3 letters. occupy all of. You can easily improve your search by specifying the number of letters in. Adding the Entity, Decimal or Hex expressions directly in the html code will render the. Life-force a bit reduced. After pi. Chi. Loop setting, briefly. That same SIGMA in its capital form. It’s something that’s used in a wide array of complex equations. Automaker associated with 'phantom braking'. Greek alphabet (Ελληνικό. It was last seen in American quick crossword. In some very early Latin. Quick Pi 𝜋. 5 + 0. Solo from Star Wars + Opposite of yes + skip to my ___ + skip to my ___The Crossword Solver found 30 answers to "greek letter between phi and psi", 3 letters crossword clue.