Definify.com
Webster 1913 Edition
Echometer
E-chom′e-ter
,Noun.
[Gr. [GREEK], [GREEK], sound +
-meter
: cf. F. échomètre
.] (Mus)
A graduated scale for measuring the duration of sounds, and determining their different, and the relation of their intervals.
J. J. Rousseau.
Webster 1828 Edition
Echometer
ECHOM'ETER
,Noun.