Meaning of codominant

co•dom•i•nant

Pronunciation: (kō-dom'u-nunt), [key]
— adj.
  1. being one of two or more species that are equally dominant in a biotic community: a forest in which oak and hickory are codominant.
  2. of or pertaining to two different alleles that are fully expressed in a heterozygous individual.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.