- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
kidneys
-
vague
-
volunteer state
-
acherontia atropos
-
orchard
-
bbfc
-
hippo regius
-
pigeon guillemot
-
knickknack
-
hive up
- Hide translation
acid test
acid test /ˈæsɪd tɛst/
noun
-
A rigorous or crucial appraisal
(
acid test
)
a rigorous or crucial appraisal