Category:Apotome

A*pot"o*me, n. Etym: [Gr.

1. (Math.)

Defn: The difference between two quantities commensurable only in power, as between sq. root2 and 1, or between the diagonal and side of a square.

2. (Mus)

Defn: The remaining part of a whole tone after a smaller semitone has been deducted from it; a major semitone. [Obs.]