Disjunctive

Part of speech: adjective (a.)

1. Tending to disjoin; separating; disjoining.

2. Pertaining to disjunct tetrachords. "Disjunctive notes." Moore (Encyc. of Music). Disjunctive conjunction (Gram.), one connecting grammatically two words or clauses, expressing at the same time an opposition or separation inherent in the notions or thoughts; as, either, or, neither, nor, but, although, except, lest, etc. -- Disjunctive proposition, one in which the parts are connected by disjunctive conjunctions; as it is either day or night. -- Disjunctive syllogism (Logic), one in which the major proposition is disjunctive; as, the earth moves in a circle or an ellipse; but in does not move in a circle, therefore it moves in an ellipse.