- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
acknowledgment
-
attend
-
idols
-
expect
-
ad val
-
ad infinitum
-
actinomyces
-
action painting
-
apse
-
animosity
- Hide translation
acid hydrogen
acid hydrogen /ˈæsɪd ˈhaɪdrədʒən/
noun
-
A hydrogen atom in an acid that forms a positive ion when the acid dissociates
(
acid hydrogen
, acidic hydrogen
)
a hydrogen atom in an acid that forms a positive ion when the acid dissociates