An extremely hot powdered mustard containing ground mustard seeds (both black or brown and yellow-white), wheat flour and turmeric. The most well-known brand of powdered mustard today is Colman's, named for its 19th-century British developer, Jeremiah Colman. See also mustard.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.