echometer
A graduated scale for measuring the duration of sounds and determining the relation of their intervals.
Noun
- 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 - 1781, Jean-Jacques Rousseau, Essay on the Origin of Languages and Writings Related...
Origin
From echo- + -meter.