- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
35th
-
germany
-
orb
-
escape
-
john hasbrouck van vleck
-
resemblance
-
sad
-
seasoned
-
acinonyx
-
tryout
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal