Dis‐junct″ (dĭs‐jŭṉkt″), a. [L. disjunctus, p. p. of disjungere to disjoin. See Disjoin, and cf. Disjoint.] 1. Disjoined; separated.
2. (Zoöl.) Having the head, thorax, and abdomen separated by a deep constriction.
Disjunct tetrachords(Mus.), tetrachords so disposed to each other that the gravest note of the upper is one note higher than the acutest note of the other.