Meaning of revertant

re•ver•tant

Pronunciation: (ri-vûr'tnt), [key]
— Genetics. Genetics.n.
  1. a gene, organism, or strain that has undergone a back mutation.
—adj.
  1. of or pertaining to a gene, organism, or strain that has undergone a back mutation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.