- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
xyridaceae
-
thermal emission
-
demand
-
satan
-
roe
-
nausea
-
stag
-
acrocarpus fraxinifolius
-
1980s
-
continual
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal