- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
zoophobia
-
equipment
-
metformin
-
merchants
-
wow
-
boundary
-
harry stack sullivan
-
actuator
-
austerity
-
meteorology
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal