ethyne

noun

eth·yne ˈe-ˌthīn e-ˈthīn

: acetylene

Word History

Etymology

alteration of ethine, from ethyl + (-i)ne entry 2

First Known Use

1855, in the meaning defined above

Time Traveler

The first known use of ethyne was in 1855

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ethyl sulfate

ethyne

ethynyl

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Cite this Entry

Style

“Ethyne.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethyne. Accessed 7 Jul. 2026.

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Kids Definition

ethyne

noun

eth·yne ˈē-ˌthīn

e-ˈthīn

: acetylene

Medical Definition

ethyne

noun

eth·yne

variants also ethine

ˈeth-ˌīn e-ˈthīn

: acetylene

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ethyne

noun

Word History

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Kids Definition

Medical Definition

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