oleo-(redirected from olei-)
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[French oléo-, from oléine, olein, from Latin oleum, oil; see oil.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
[from Latin oleum oil]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Older Use. margarine.
a combining form meaning “oil”: oleoresin.
[< Latin, comb. form representing oleum oil]
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