| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| methane |
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| SYLLABICATION: | meth·ane |
| PRONUNCIATION: |  m th  n |
| NOUN: | An odorless, colorless, flammable gas, CH4, the major constituent of natural gas, that is used as a fuel and is an important source of hydrogen and a wide variety of organic compounds.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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