Dictionary.com
Thesaurus.com

roux

American  
[roo] / ru /

noun

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


roux British  
/ ruː /

noun

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

"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

Roux Scientific  
/ ro̅o̅ /
  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.


Etymology

Origin of roux

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Andouille sausage and the marinated chicken are cooked in a separate pot before adding in the onions, peppers, celery, garlic and homemade roux.

From Salon

He relied on his light roux and the juices from the freshly shucked oysters to properly enrich the broth.

From Salon

Doesn’t matter if it’s caramel, some sort of roux or queso, I’m always hunched over a hot pot stirring my wrist off, testing and adding until it tastes perfect.

From Seattle Times

West African gumbo tends to be made with way, way more okra and, instead of relying on a roux or mirepoix to impart flavor, it contains dried fish powder, shrimp powder and “heavy-duty spices.”

From Salon

Rather boringly brown in presentation, the gumbo gets velvety from a luxe roux, echoing smoke, faint heat and stages of flavor, with all the tastes and texture of the sausage incorporated through.

From Seattle Times