noun Chemistry.

a colorless, flammable gas, C3H8, of the alkane series, occurring in petroleum and natural gas: used chiefly as a fuel and in organic synthesis.

Origin of propane

First recorded in 1866; prop(ionic) + -ane
Also called dimethylmethane. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for propane

Contemporary Examples of propane

Historical Examples of propane

  • He lived through methane, through carbon dioxide, through nitrogen and propane.


    Michael Shaara

British Dictionary definitions for propane



a colourless flammable gaseous alkane found in petroleum and used as a fuel. Formula: CH 3 CH 2 CH 3

Word Origin for propane

C19: from propionic acid + -ane
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

Word Origin and History for propane

"colorless gas occurring in petroleum," 1866, with chemical suffix -ane + prop(ionic acid) (1850), from French propionique (1847), from Greek pro "forward" (see pro-) + pion "fat" (see fat (adj.)), in reference to its being first in order of the fatty acids.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for propane




A colorless hydrocarbon found in natural gas and petroleum and widely used as a fuel.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for propane



A colorless, gaseous hydrocarbon found in petroleum and natural gas. It is widely used as a fuel. Propane is the third member of the alkane series. Chemical formula: C3H8.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.