- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
evaporation
-
stupidly
-
admiralty mile
-
alliance
-
expensive
-
nitrification
-
consciousness
-
outskirts
-
reckon
-
black
- 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)