Harmony; agreement; concord; union.
Identity in pitch; coincidence of sounds proceeding from an equality in the number of vibrations made in a given time by two or more sonorous bodies. Parts played or sung in octaves are also said to be in unison, or in octaves.
A single, unvaried. [R.] Pope. In unison, in agreement; agreeing in tone; in concord.
Sounding alone. [Obs.] [sounds] intermixed with voice, Choral or unison. Milton.
Sounded alike in pitch; unisonant; unisonous; as, unison passages, in which two or more parts unite in coincident sound.
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