adj. & n.
--adj.
1. dominating, prevailing, most influential.
2 (of a high place) prominent, overlooking others.
3 a (of an allele) expressed even when inherited from only one parent. b (of an inherited characteristic) appearing in an individual even when its allelic counterpart is also inherited (cf. RECESSIVE).
--n. Mus. the fifth note of the diatonic scale of any key.
Derivatives:
dominantly adv.
Etymology: F f. L dominari (as DOMINATE)