follow Dictionary.com

Stories We Like: A Guide to the Comma

swamp gas

noun
1.

marsh gas

noun
1.
a gaseous decomposition product of organic matter, consisting primarily of methane.
Also called swamp gas.
Origin
1775-1785
1775-85, Americanism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for swamp-gas

marsh gas

noun
1.
a hydrocarbon gas largely composed of methane formed when organic material decays in the absence of air
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
Cite This Source
swamp-gas in Medicine

marsh gas n.
See methane.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for swamp gas

Few English speakers likely know this word

Word Value for swamp

12
14
Scrabble Words With Friends

Quotes with swamp-gas

Nearby words for swamp-gas