- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
veteran
-
82
-
risky venture
-
adelie
-
1st earl of balfour
-
frost
-
spiracle
-
conditional contract
-
mourner
-
tonight
- 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