- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
peevish
-
geddit
-
acid rock
-
return
-
trans
-
payoff
-
create
-
antidiarrhoeal
-
aconitum
-
acrocentric
- Hide translation
A horizon
A horizon /eɪ ˈhɒrɪˌzɒn/
noun
-
The top layer of a soil profile; usually contains humus
(
A horizon
, A-horizon
)
the top layer of a soil profile; usually contains humus