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.

Origin of revertant

1580–90, for an earlier sense; revert + -ant

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.