roux

[ roo ]

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

Origin of roux

1
1805–15; <French (beurre) roux brown (butter) <Latin russus red-brown, red-haired, akin to ruberred1

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British Dictionary definitions for roux

roux

/ (ruː) /


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

Origin of roux

1
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

Scientific definitions for Roux

Roux

[ rōō ]


  1. 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.

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