World English Dictionary
biodiesel (ˈbaɪəʊˌdiːzəl)
 
n
a biofuel intended for use in diesel engines

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

biodiesel
1992, from bio- + diesel.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
biodiesel   (bī'ō-dē'zəl, -səl)  Pronunciation Key 
See under biofuel.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

biodiesel

a fuel made primarily from oily plants (such as the soybean or oil palm) and to a lesser extent from other oily sources (such as waste cooking fat from restaurant deep-frying). Biodiesel, which has found greatest acceptance in Europe, is used in diesel engines and usually blended with petroleum diesel fuel in various percentages (see also renewable energy).

Learn more about biodiesel with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences for biodiesel
Biodiesel and related biofuels require processing via both inorganic and biocatalysts.
Biodiesel users who have heated fuel tanks therefore face a yearround microbe problem.
One of the main drivers for adoption of biodiesel is energy security.
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