/ Dictionary / Index P physicochemical: Meaning and Definition of Find definitions for: phys•i•co•chem•i•cal Pronunciation: (fiz"i-kō-kem'i-kul), [key] — adj. Chem. physical and chemical: the physicochemical properties of an isomer. pertaining to physical chemistry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: physicochemical (Thesaurus) physic nut physics Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language