/ Dictionary / Index R recombination: Meaning and Definition of Find definitions for: re•com•bi•na•tion Pronunciation: (rē"kom-bu-nā'shun), [key] — Genetics. Genetics. the formation of new combinations of genes, either naturally, by crossing over or independent assortment, or in the laboratory by direct manipulation of genetic material. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: recombination (Thesaurus) recombinant DNA technology recommend Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language