- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
adelgidae
-
auctioneer
-
grow
-
transitory
-
basement
-
ruins
-
custer
-
languages
-
vanish
-
adams-stokes syndrome
- Hide translation
active agent
active agent /ˈækˌtɪv ˈeɪdʒənt/
noun
-
Chemical agent capable of activity
(
active agent
, active
)
chemical agent capable of activity