- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
active transport
-
irish potato
-
degenerate
-
reel
-
abney level
-
calf
-
timid
-
forced
-
amenorrhea
-
a.m.
- Hide translation
acetylene
acetylene /əˈsɛtəˌliːn/
noun
-
A colorless flammable gas used chiefly in welding and in organic synthesis
(
acetylene
, alkyne
, ethyne
)
a colorless flammable gas used chiefly in welding and in organic synthesis