- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
hazelnuts
-
anthropomorphic
-
imbecility
-
dumpy
-
gauze
-
unplugging
-
outrun
-
dock
-
conferrer
-
apert
- Hide translation
SD
SD /ˈes ˈdiː/
noun
-
A state in north central United States
(
Coyote State
, Mount Rushmore State
, S.D.
, SD
, South Dakota
)
a state in north central United States