/ Dictionary / Index B biologism: Meaning and Definition of Find definitions for: bi•ol•o•gism Pronunciation: (bī-ol'u-jiz"um), [key] — n. the use or emphasis of biological principles or methods in explaining human, esp. social, behavior. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: biologism (Thesaurus) biologics biologist Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language