/ Dictionary / Index A anabolism: Meaning and Definition of Find definitions for: a•nab•o•lism Pronunciation: (u-nab'u-liz"um), [key] — n. Biol., Physiol. constructive metabolism; the synthesis in living organisms of more complex substances from simpler ones (opposed to catabolism). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: anabolism (Thesaurus) anabolic steroid anabolite 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