- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
postal code
-
intercept
-
zootoxin
-
piglet
-
across the country
-
rugby
-
tempest-tost
-
mana
-
impulses
-
bbfc
- 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