- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
storm-tossed
-
piety
-
trigger
-
ole
-
abstruseness
-
synonym
-
sophisticated
-
free
-
suggester
-
prior
- Hide translation
acoustic device
acoustic device /əˈkuːstɪk dɪˈvaɪs/
noun
-
A device for amplifying or transmitting sound
(
acoustic device
)
a device for amplifying or transmitting sound
The hall was fitted with an acoustic device to improve sound quality.
The hall was fitted with an acoustic device to improve sound quality.
