- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
poverty
-
ad-dahna desert
-
piggyback
-
apple butter
-
tropism
-
featured
-
defunctness
-
boyhood
-
unveil
-
quite
- Hide translation
acid dye
acid dye /ˈæsɪd daɪ/
noun
-
Dye in which the chromophore is part of a negative ion
(
acid dye
)
dye in which the chromophore is part of a negative ion