double bond

noun

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

Examples of double bond in a Sentence

Recent Examples on the Web Most polymers have at least one carbon-carbon double bond, which is much easier to break. Elizabeth Rayne, Ars Technica, 21 Sep. 2024 Delta-8 looks much like delta-9 THC — the more common molecule in cannabis that makes people feel high — but has a slightly different structure, with a double bond located between a different set of carbon atoms. Emily Alpert Reyes, Los Angeles Times, 13 Mar. 2024 Delta 8 has a double bond on the eighth carbon atom, while delta 9 has it on the ninth carbon atom. Amber Smith, Discover Magazine, 8 Sep. 2023 Chemical Structure Delta 8 and Delta 9 have a similar chemical structure, with the only difference being the placement of a double bond. Amber Smith, Discover Magazine, 8 Sep. 2023 See all Example Sentences for double bond 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'double bond.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1889, in the meaning defined above

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

Dictionary Entries Near double bond

Cite this Entry

“Double bond.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/double%20bond. Accessed 5 Nov. 2024.

Kids Definition

double bond

noun
: a chemical bond in which two atoms in a molecule share two pairs of electrons compare single bond, triple bond

Medical Definition

double bond

noun
: a chemical bond in which two pairs of electrons are shared by two atoms in a molecule and which is usually represented in chemical formulas by two lines (as in the formula for ethylene H2C=CH2) compare triple bond see unsaturated sense b

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