Definition of phi
:the 21st letter of the Greek alphabet — see Alphabet Table
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Recent Examples of phi from the Web
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CLE +250 LAL +275 BOS +700 HOU/SAS +1000 MIN +1400 PHI +1600 MIA +2500 GSW +2800 — OddsShark (@OddsShark) August 17, 2017 3.
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Phi, to put it in numbers, is: Phi = φ = 1.61803398874989484820458683436563811772… and so on.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phi.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of phi
Middle Greek, from Greek phei
Learn More about phi
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See words that rhyme with phi Britannica.com: Encyclopedia article about phi
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