- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
actitis
-
acid anhydrides
-
tips
-
watermelon
-
enduring
-
fizzer
-
morsel
-
phenom
-
addressed
-
aerophilatelic
- 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.
