Webster’s Revised Unabridged Dictionary · 1913
Dominant
Dom′i·nant (·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. Macaulay.
Dominant estate or tenement (Law), the estate to which a servitude or easement is due from another estate, the estate over which the servitude extends being called the servient estate or tenement. Bouvier. Wharton's Law Dict. — Dominant owner (Law), one who owns lands on which there is an easement owned by another.
Syn. — Governing; ruling; controlling; prevailing; predominant; ascendant.
Dom′i·nant, n. (Mus.) The fifth tone of the scale; thus G is the dominant of C, A of D, and so on.
Dominant chord (Mus.), the chord based upon the dominant.