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noun

alkyne

AL-kine
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Alkyne (noun) means a hydrocarbon that contains at least one triple bond between two carbon atoms. Example: “Ethyne is the simplest alkyne.”

noun
1
chemistry A hydrocarbon that contains at least one triple bond between two carbon atoms.
"Ethyne is the simplest alkyne."
"Each alkyne has a carbon-carbon triple bond in its structure."
"The students drew the structure of an alkyne on the board."

How to use alkyne

Learner’s notes

In plain EnglishA type of hydrocarbon with a carbon-carbon triple bond.

When to use it

It is a technical term used in organic chemistry.

Memory tip

The ending -yne signals a triple bond, in the same way that -ene and -ane signal other bond types.

Trace the full origin ↓
Easily confused with
alkene alkane
Common pairings
terminal alkyne an alkyne group alkynes and alkenes
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Test yourself on “alkyne” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

Ethyne is the simplest _____.

Etymology

The word was formed from alkyl plus the ending -yne.

Origin: English

Rhymes for alkyne

See all rhymes for alkyne →

Frequently asked questions

What is an alkyne?
An alkyne is a hydrocarbon with at least one carbon-carbon triple bond.
How do you pronounce alkyne?
It is pronounced AL-kine, rhyming with line.
What is the plural of alkyne?
The plural is alkynes.
What is the meaning of alkyne?
"alkyne" (noun) means a hydrocarbon that contains at least one triple bond between two carbon atoms.
Definitions: FreeDict original editorial