資料來源 : Webster's Revised Unabridged Dictionary (1913)
Diapason \Di`a*pa"son\, n. [L., fr. Gr. ? (i. e., ? ? ? the
concord of the first and last notes, the octave); dia`
through + ?, gen. pl. of ? all: cf. F. diapason. Cf.
{Panacea}.]
1. (Gr. Mus.) The octave, or interval which includes all the
tones of the diatonic scale.
2. Concord, as of notes an octave apart; harmony.
The fair music that all creatures made . . . In
perfect diapason. --Milton.
3. The entire compass of tones.
Through all the compass of the notes it ran, The
diapason closing full in man. --Dryden.
4. A standard of pitch; a tuning fork; as, the French normal
diapason.
5. One of certain stops in the organ, so called because they
extend through the scale of the instrument. They are of
several kinds, as {open diapason}, {stopped diapason},
{double diapason}, and the like.