echometer

名词 n.

英文释义

名词 n.
  1. A graduated scale for measuring the duration of sounds and determining the relation of their intervals.
    — nothing would be more advantageous than the use of his general Echometer to determine precisely the duration of measures and of beats

词形变化

echometers plural

词源

From echo- + -meter.
0 次浏览 数据来源: Wiktionary