/ Dictionary / Index P phycology: Meaning and Definition of Find definitions for: phy•col•o•gy Pronunciation: (fī-kol'u-jē), [key] — n. the branch of botany dealing with algae. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phycology (Thesaurus) phycoerythrin phycomycete Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language