- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
phantoms
-
enhance
-
compassionate
-
activating agent
-
eat
-
-aceae
-
vide
-
neonatal
-
gasoline
-
kindness
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal