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noun

acetylene

uh-SEH-tuhl-een

Acetylene (noun) means 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. Example: “The welder connected the acetylene tank before lighting the torch.”

noun
1
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.
"The welder connected the acetylene tank before lighting the torch."
"Old-fashioned bicycle and car lamps sometimes burned acetylene gas for light."

How to use acetylene

Learner’s notes

In plain EnglishThe gas welders burn for cutting and joining metal — it's the fuel in an acetylene torch.

Common pairings
acetylene torch acetylene tank oxy-acetylene welding

Word forms

acetylenes plural

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The welder connected the _____ tank before lighting the torch.

Etymology

Coined in French from "acetyl" plus the chemical ending "-ene," first used by the chemist Marcellin Berthelot.

Origin: French

Related words

Rhymes for acetylene

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Frequently asked questions

What does “acetylene” mean?

The word “acetylene” means 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. In plain terms, the gas welders burn for cutting and joining metal — it's the fuel in an acetylene torch.

How do you pronounce “acetylene”?

“Acetylene” is pronounced uh-SEH-tuhl-een (/əˈsɛtəlˌin/ in IPA).

How do you use “acetylene” in a sentence?

Here is “acetylene” used in a sentence: “The welder connected the acetylene tank before lighting the torch.”

What is another word for “acetylene”?

Words with a similar meaning to “acetylene” include ethyne.

What part of speech is “acetylene”?

“Acetylene” is a noun.

Where does the word “acetylene” come from?

The word “acetylene” comes from French. Coined in French from "acetyl" plus the chemical ending "-ene," first used by the chemist Marcellin Berthelot.

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