revertant

[ ri-vur-tnt ]
/ rɪˈvɜr tnt /
Genetics.

noun

a gene, organism, or strain that has undergone a back mutation.

adjective

of or relating to a gene, organism, or strain that has undergone a back mutation.

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Origin of revertant

1580–90, for an earlier sense; revert + -ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for revertant

revertant
[ rĭ-vûrtnt ]

adj.

Having reverted to the normal phenotype, usually by a second mutation.

n.

A revertant organism, cell, or strain.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.