- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
porker
-
entrain
-
affinity
-
62
-
ad spend
-
portcullis
-
acupuncture
-
earth
-
amuse
-
immersion
- 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