- echometry
- † eˈchometry ? Obs.
[mod. f. Gr. ἠχώ echo, or ἦχος sound + -µετρία measuring. Littré has Fr. échométrie ‘art de calculer, de combiner la réflexion des sons’, = sense 1 below.]1. ‘The art of making vaults or arches so as to produce an artificial echo.’in Todd.2. The art of measuring the duration of sound.in Craig.
Useful english dictionary. 2012.