- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
arms
-
on a roll
-
more
-
medical
-
abstract art
-
speaking
-
first-rate
-
tormented
-
occurred
-
achene
- Hide translation
acetic anhydride
acetic anhydride /əˈsiːtɪk ˈænhaɪˌdraɪd/
noun
-
A compound that is needed in order to refine opium into heroin
(
acetic anhydride
)
a compound that is needed in order to refine opium into heroin