acoustic mirror

From Wiktionary, the free dictionary

Archived revision by TheDaveBot (talk | contribs) as of 20:24, 24 May 2017.

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to navigation Jump to search

English

three acoustic mirrors

Noun

acoustic mirror (plural acoustic mirrors)

A passive device for reflect and often focusing sound waves, chiefly used to provide early warning of incoming aircraft (by detecting the sound of their engines).

Synonyms

sound mirror

See also

Retrieved from "https://en.wiktionary.org/w/index.php?title=acoustic_mirror&oldid=43926706"

Hidden categories: