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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.
[Gr. sound, and measure.] Among musicians, a scale or rule, with several lines thereon, serving to measure the duration of sounds, and to find their intervals and ratios.

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