3. A single, unvaried. [R.] Pope. In unison, in agreement; agreeing in tone; in concord.

UNISON
U"ni*son, a. Etym: [Cf. It. unisono. See Unison, n.]

1. Sounding alone. [Obs.] [sounds] intermixed with voice, Choral or unison. Milton.

2. (Mus.)

Defn: Sounded alike in pitch; unisonant; unisonous; as, unison passages, in which two or more parts unite in coincident sound.

UNISONAL
U*nis"o*nal, a.

Defn: Being in unison; unisonant.
— U*nis"o*nal*ly, adv.

UNISONANCE
U*nis"o*nance, n. Etym: [See Unisonant.]

Defn: Accordance of sounds; unison.

UNISONANT
U*nis"o*nant, a. Etym: [Uni- + sonant. See Unison.]