- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
thoroughness
-
oddly
-
repetitious
-
appearance
-
nonsense
-
acinose
-
heartsease
-
execration
-
blind
-
buffalo clover
- Hide translation
acoustic buoy
acoustic buoy /əˈkuːstɪk buːi/
noun
-
A buoy that can be heard (at night)
(
acoustic buoy
)
a buoy that can be heard (at night)