/ Dictionary / Index A Anfinsen: Meaning and Definition of Find definitions for: An•fin•sen Pronunciation: (an'fin-sun), [key] born 1916, U.S. biochemist: Nobel prize for chemistry 1972. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ANF anfractuosity 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