catacousticsn.

/katəˈkaʊstɪks/

Etymology: modern < cata- prefix in sense ‘against and back from’ + acoustics n. In French catacoustique . Compare catoptrics n. at catoptric n. 1.

1. A name for the science of reflected sounds.In all modern dictionaries.

ΘΚΠ

the world > matter > physics > science of sound > [noun] > relating to reflection

phonocamptics1668

catacoustics1684

cataphonics1684

anacamptics1796

1684 Philos. Trans. (Royal Soc.) 14 473 Hearing may be divided into Direct, Refracted, and Reflex'd, which are yet nameless, unless we call them Acousticks, Diacousticks, and Catacousticks.

1721 in N. Bailey Universal Etymol. Eng. Dict.

1728 E. Chambers Cycl. Catacoustics, call'd also Cataphonics, the Science of reflected Sounds.

2. (See quot. 1806.)

ΚΠ

1806 A. Rees Cycl. (1819) VII Catacoustics are écoutes or small galleries from distance to distance in front of the glacis of a fortified place.

This entry has not yet been fully updated (first published 1889; most recently modified version published online December 2019).

单词	catacoustics
释义	catacousticsn. /katəˈkaʊstɪks/ Etymology: modern < cata- prefix in sense ‘against and back from’ + acoustics n. In French catacoustique . Compare catoptrics n. at catoptric n. 1. 1. A name for the science of reflected sounds.In all modern dictionaries. ΘΚΠ the world > matter > physics > science of sound > [noun] > relating to reflection phonocamptics1668 catacoustics1684 cataphonics1684 anacamptics1796 1684 Philos. Trans. (Royal Soc.) 14 473 Hearing may be divided into Direct, Refracted, and Reflex'd, which are yet nameless, unless we call them Acousticks, Diacousticks, and Catacousticks. 1721 in N. Bailey Universal Etymol. Eng. Dict. 1728 E. Chambers Cycl. Catacoustics, call'd also Cataphonics, the Science of reflected Sounds. 2. (See quot. 1806.) ΚΠ 1806 A. Rees Cycl. (1819) VII Catacoustics are écoutes or small galleries from distance to distance in front of the glacis of a fortified place. This entry has not yet been fully updated (first published 1889; most recently modified version published online December 2019). < n.1684
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