- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
lever
-
eminent
-
cliff
-
contribution
-
manfred eigen
-
academic freedom
-
richler
-
certain
-
aberdeen
-
database
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal