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decane

American  
[dek-eyn] / ˈdɛk eɪn /

noun

Chemistry.

  1. a hydrocarbon, C 10 H 22 , of the methane series, occurring in several isomeric forms.

decane British  
/ ˈdɛkeɪn /

noun

  1. a liquid alkane hydrocarbon existing in several isomeric forms. Formula: C 10 H 22

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
decane Scientific  
/ dĕk′ān′ /

  1. Any of various liquid hydrocarbons containing ten carbon atoms in a chain, attached to hydrogen atoms. Decane is the tenth member of the alkane series. Chemical formula: C 10 H 22 .

Etymology

Origin of decane

First recorded in 1870–75; dec- + -ane

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In March 2025, researchers announced they had identified trace amounts of decane, undecane, and dodecane.

From Science Daily • Feb. 12, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.