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Meaning of phi

phi

Pronunciation: (fī), [key]
— pl. phis.
  1. the 21st letter of the Greek alphabet (&PHgr;,&phgr;).
  2. the consonant sound represented by this letter.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • phi (Thesaurus)