roux

[ roo ]
/ ru /

noun

a cooked mixture of butter or other fat and flour used to thicken sauces, soups, etc.

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Origin of roux

1805–15; <French (beurre) roux brown (butter) <Latin russus red-brown, red-haired, akin to ruberred1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for roux

British Dictionary definitions for roux

roux
/ (ruː) /

noun plural roux

a mixture of equal amounts of fat and flour, heated, blended, and used as a basis for sauces

Word Origin for roux

C19: from French: brownish, from Latin russus russet
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

Medical definitions for roux (1 of 2)

Roux
Wilhelm 1850-1924

German anatomist who is noted for his research on embryonic development.

Medical definitions for roux (2 of 2)

Roux
[ rōō ]
Pierre Paul Émile 1853-1933

French bacteriologist. His work with the diphtheria bacillus led to the development of antitoxins to neutralize pathogenic toxins.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for roux

Roux
[ rōō ]
(Pierre Paul) Émile 1853-1933

French bacteriologist who assisted Louis Pasteur on most of his major discoveries. Later, working with Alexandre Yersin, he showed that the symptoms of diphtheria are caused by a lethal toxin produced by the diphtheria bacillus. Roux carried out early work on the rabies vaccine and directed the first tests of the diphtheria antitoxin.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.