The fifth tone of the scale; thus G is the dominant of C, A of D, and so on.
Ruling; governing; prevailing; controlling; predominant; as, the dominant party, church, spirit, power.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
\dom"i*nant\, n. (mus.) the fifth tone of the scale; thus g is the dominant of c, a of d, and so on.
chord (mus.), the chord based upon the dominant.
\dom"i*nant\ (?), a. [l. dominans, -antis, p. pr. of dominari: cf. f. dominant. see dominate.] ruling; governing; prevailing; controlling; predominant; as, the dominant party, church, spirit, power. the member of a dominant race is, in his dealings with the subject race, seldom indeed fraudulent, but imperious, insolent, and cruel.
x-linked dominant inheritance