acetylene
0 antonyms and opposites of acetylene.
Noun — A colourless, highly flammable gas made of two carbon and two hydrogen atoms, burned with oxygen to produce an extremely hot flame used for welding and cutting metal.
0 antonyms and opposites of acetylene.
Noun — A colourless, highly flammable gas made of two carbon and two hydrogen atoms, burned with oxygen to produce an extremely hot flame used for welding and cutting metal.