/ Dictionary / Index P phylloquinone: Meaning and Definition of Find definitions for: phyl•lo•qui•none Pronunciation: (fil"ō-kwi-nōn', -kwin'ōn), [key] — n. Biochem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phylloquinone (Thesaurus) phyllopod phyllosilicate Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language