diol

noun

di·​ol ˈdī-ˌōl How to pronounce diol (audio)
-ˌȯl
: a compound containing two hydroxyl groups

Examples of diol in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Louisville health department recommends insect repellants with long lasting ingredients like DEET, picaridin, IR3535, and some oil of lemon eucalyptus and para-menthane-diol. — Sarah Ladd, The Courier-Journal, 20 Aug. 2021 When exploring the great outdoors, the CDC suggests wearing a repellant that contains ingredients like DEET, picaridin, IR3535, oil of lemon eucalyptus, para-menthane-diol (PMD), or 2-undecanone. — Patia Braithwaite, SELF, 26 July 2019

Word History

Etymology

International Scientific Vocabulary

First Known Use

1920, in the meaning defined above

Time Traveler
The first known use of diol was in 1920

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diol
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“Diol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diol. Accessed 20 Mar. 2025.

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Medical Definition

diol

noun
di·​ol ˈdī-ˌȯl How to pronounce diol (audio) -ˌōl How to pronounce diol (audio)
: a compound containing two hydroxyl groups

More from Merriam-Webster on diol

Britannica.com: Encyclopedia article about diol

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