SINCE 1828
phi
noun
\ ˈfī
\
\
Definition of phi
: the 21st letter of the Greek alphabet — see Alphabet Table
Examples of phi in a Sentence
Recent Examples on the Web
Other things that have zero phi, according to Tononi, include collectives of sentient individuals, such as corporations or the United States. — Jason Pontin, WIRED, "How Do You Know You Are Reading This?," 2 Apr. 2018 CLE +250 LAL +275 BOS +700 HOU/SAS +1000 MIN +1400 PHI +1600 MIA +2500 GSW +2800 — OddsShark (@OddsShark) August 17, 2017 3. — Charles Curtis, USA TODAY, "Why the Cavaliers aren't trading LeBron James," 18 Aug. 2017 Phi, to put it in numbers, is: Phi = φ = 1.61803398874989484820458683436563811772… and so on. — Curtis Silver, WIRED, "The Sound of Phi (the Golden Ratio)," 18 June 2012These 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.
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