World English Dictionary
biodiesel (ˈbaɪəʊˌdiːzəl)
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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Word Origin & History

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


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).

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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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