- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
a month of sundays
-
ff
-
pseudonym
-
older
-
self-delusion
-
interweave
-
suck in
-
greatest
-
20-20 vision
-
vie
- 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