† echometryn.

Etymology: modern < Greek ἠχώ echo n., or ἦχος sound + -metry comb. form. Littré has French échométrie ‘art de calculer, de combiner la réflexion des sons’, = sense 1 below.

? Obsolete.

1. ‘The art of making vaults or arches so as to produce an artificial echo.’

ΚΠ

1818 in H. J. Todd Johnson's Dict. Eng. Lang.

2. The art of measuring the duration of sound.

ΚΠ

1847 in J. Craig New Universal Dict.

This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2019).

单词	echometry
释义	† echometryn. Etymology: modern < Greek ἠχώ echo n., or ἦχος sound + -metry comb. form. Littré has French échométrie ‘art de calculer, de combiner la réflexion des sons’, = sense 1 below. ? Obsolete. 1. ‘The art of making vaults or arches so as to produce an artificial echo.’ ΚΠ 1818 in H. J. Todd Johnson's Dict. Eng. Lang. 2. The art of measuring the duration of sound. ΚΠ 1847 in J. Craig New Universal Dict. This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2019). < n.1818
随便看	to play the merchant with to play the mischief to play the mischief with to play the murphy to play the naught to play the nought to play the numbers to play the odd to put the etc hand to to put the fear of god into to put the final hand to to put the finger on to put the finger on a person to put the finishing hand stroke or touch to put the finishing hand to to put the finishing stroke or touch to put the fluence on to put the fool on to put the fool upon to put the fox in charge of the henhouse to put the frighteners in, on to put the fritz on something to put the frost on to put the frost on something to put the genie back in the bottle