diapason

詳細解釋：

di.a.pa.son

n.Music （名詞）【音樂】
A full, rich outpouring of harmonious sound.
和諧：一種飽滿、奔放的和音的流露
The entire range of an instrument or voice.
音域：樂器或聲音的整個音域
Either of the two principal stops on a pipe organ that form the tonal basis for the entire scale of the instrument.
主音槍：風琴上包括樂器全音域的兩個主音栓之一
The interval and the consonance of an octave.
八音度的音程和和音
A standard indication of pitch.
音高的標準指示
A tuning fork.
音叉

來源：
Middle English diapasoun
中古英文 diapasoun
from Latin diap3sôn [the whole octave]
源自 拉丁語 diap3sôn [整個八音度]
from Greek (dia) pasôn (khordôn) [(through) all (the notes)] [feminine genitive pl. of] pas * see pant-
源自 希臘語 (dia) pasôn (khordôn) [（通過）所有（音符）] [] pas的陰性所有格複數 *參見 pant-