- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
accessory vertebral vein
-
bear down
-
porch
-
high season
-
accustomed to
-
energetic
-
fragrantly
-
metic
-
hinder
-
napiform
- 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