triple bond

noun

: a chemical bond in which three pairs of electrons are shared by two atoms in a molecule compare double bond, single bond

Examples of triple bond in a Sentence

Recent Examples on the Web
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The city is one of a handful in Florida to have a triple bond rating, which lets the city borrow money at a cheaper rate for projects. Michelle Marchante, Miami Herald, 16 Mar. 2026 But fixing it in a plant-usable form is tricky because N2 is bound together by a highly stable triple bond. The Physics Arxiv Blog, Discover Magazine, 14 Apr. 2022 But something more may be at work: The triple bond of Z, for instance, might add to DNA’s stability and rigidity, and perhaps influence some of its other physical properties. Quanta Magazine, 12 July 2021

Word History

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of triple bond was in 1889

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Cite this Entry

“Triple bond.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triple%20bond. Accessed 22 Mar. 2026.

Kids Definition

triple bond

noun
: a chemical bond in which three pairs of electrons are shared by two atoms in a molecule compare double bond, single bond

Medical Definition

triple bond

noun
tri·​ple bond ˈtrip-əl- How to pronounce triple bond (audio)
: a chemical bond in which three pairs of electrons are shared by two atoms in a molecule and which is usually represented in chemical formulas by three lines compare double bond, unsaturated sense b

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