Echometer

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Echometer \E*chom"e*ter\, n. [Gr. ?, ?, sound + -meter: cf. F.
     ['e]chom[`e]tre.] (Mus)
     A graduated scale for measuring the duration of sounds, and
     determining their different, and the relation of their
     intervals. --J. J. Rousseau.
     [1913 Webster]