- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
5-hydroxy-3-methylglutaryl-coenzyme a reductase
-
expand
-
sole
-
aculeus
-
ether
-
con trick
-
is
-
brakeman
-
5
-
split end
- 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