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methane
[ meth-eyn; British mee-theyn ]
/ ˈmɛθ eɪn; British ˈmi θeɪn /
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noun Chemistry.
a colorless, odorless, flammable gas, CH4, the main constituent of marsh gas and the firedamp of coal mines, obtained commercially from natural gas: the first member of the methane, or alkane, series of hydrocarbons.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use methane in a sentence
British Dictionary definitions for methane
methane
/ (ˈmiːθeɪn) /
noun
Word Origin for methane
C19: from meth (yl) + -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
Medical definitions for methane
methane
[ mĕth′ān′ ]
n.
An odorless, colorless, flammable gas that is the major constituent of natural gas and is used as a fuel and as an important source of hydrogen.marsh gas
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for methane
methane
[ mĕth′ān′ ]
A colorless, odorless, flammable gas that is the simplest hydrocarbon. It is the major constituent of natural gas and is released during the decomposition of plant or other organic compounds, as in marshes and coal mines. Methane is the first member of the alkane series. Chemical formula: CH4.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.