a. [f. prec. + -AL.] Of or pertaining to combination.
1681. Blount, Glossogr., Combinational Churches, are the Independent Churches, by some so stiled.
b. Mus. in Combinational tone, a note produced by the combined sounding of two other notes, a resultant tone.
1879. E. J. Payne, in Grove, Dict. Mus., I. 727. No minor chord can be obtained perfectly free from such false combinational tones.
1881. Broadhouse, Mus. Acoustics, 312. Combinational tones are of two kinds … differential tones … summational tones.
