- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
twelve
-
daylight
-
ravages
-
bewilderment
-
game bird
-
abrading stone
-
iodide
-
operate
-
rich
-
polish off
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal