diol

noun

di·​ol ˈdī-ˌōl 

-ˌȯl

: a compound containing two hydroxyl groups

Examples of diol in a Sentence

Recent Examples on the Web

The agency also advises using insect repellent that contains DEET, Picaridin, IR3535, oil of lemon eucalyptus, or para-menthane-diol, but notes the last two ingredients are not recommended for children under the age of 3. — Vanessa Etienne, PEOPLE, 5 Oct. 2026

Alternative ingredients like terpenes, cinnamaldehyde, and p-menthane-3,8-diol offer viable options. — Mrigakshi Dixit, Interesting Engineering, 4 Aug. 2026

To prevent being bit while traveling or spending time outdoors, the Centers for Disease Control and Prevention (CDC) recommends using insect repellents containing DEET, oil of lemon eucalyptus, or para-menthane-diol (PMD). — Michael Cappetta, Travel + Leisure, 15 June 2026

The repellent should contain ingredients that have been shown to prevent bites, such as DEET, picaridin, oil of lemon, eucalyptus (OLE), IR3535 or p-Menthane-3,8-diol (PMD). — Finch Walker, USA Today, 15 May 2026

Word History

Etymology

International Scientific Vocabulary

First Known Use

1920, in the meaning defined above

Medical Definition

diol

noun

di·​ol ˈdī-ˌȯl  -ˌōl 

: a compound containing two hydroxyl groups