- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
calamities
-
areola
-
mighty
-
peninsula
-
plausibility
-
operate
-
contentment
-
conditioned reaction
-
american
-
indict
- 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