echometer
E*chom"e*ter, n. Etym: [Gr. -meter: cf. F. échomètre.] (Mus) Defn: A graduated scale for measuring the duration of sounds, and determining their different, and the relation of their intervals. J. J. Rousseau.
E*chom"e*ter, n. Etym: [Gr. -meter: cf. F. échomètre.] (Mus) Defn: A graduated scale for measuring the duration of sounds, and determining their different, and the relation of their intervals. J. J. Rousseau.