- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
acute brain disorder
-
gullet
-
psychiatric
-
reiterate
-
younger
-
concurrently
-
confusing
-
cognomen
-
equipment
-
dynastic
- 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