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[gas-uh-hawl, -hol] /ˈgæs əˌhɔl, -ˌhɒl/
a mixture of gasoline and ethyl alcohol, generally containing no more than 10 percent alcohol, used as an alternative fuel for some automobiles.
Origin of gasohol
First recorded in 1975-80; gas(oline) + (alc)ohol Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for gasohol


a mixture of 80% or 90% petrol with 20% or 10% ethyl alcohol, for use as a fuel in internal-combustion engines
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
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Word Origin and History for gasohol

gasoline and ethanol mixture, 1975, from gasoline + (ethyl) alcohol.

Online Etymology Dictionary, © 2010 Douglas Harper
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gasohol in Science
A fuel consisting of a blend of ethanol and unleaded gasoline, especially a blend of 10 percent ethanol and 90 percent gasoline. The ethanol is obtained by the fermentation and subsequent distillation of sugar cane, maize, or potatoes. Gasohol has a high octane rating and produces lower levels of pollutants than ordinary gasoline.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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gasohol in Culture
gasohol [(gas-uh-hawl)]

A mixture of gasoline with alcohol derived from plants. Gasohol was a popular fuel for cars and trucks during gasoline shortages.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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