echometry

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.

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  • Echometry — E*chom e*try, n. [Cf. F. [ e]chom[ e]trie.] 1. The art of measuring the duration of sounds or echoes. [1913 Webster] 2. The art of constructing vaults to produce echoes …   The Collaborative International Dictionary of English

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