- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
adaptor
-
above-named
-
1st earl attlee
-
hope
-
abstain
-
hydrofoil
-
empathize
-
emphatically
-
ef
-
montgomery
- Hide translation
active agent
active agent /ˈækˌtɪv ˈeɪdʒənt/
noun
-
Chemical agent capable of activity
(
active agent
, active
)
chemical agent capable of activity