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An aqueous solution of a rosaniline dye and sulfurous acid used as a biological stain and in testing for the presence of aldehydes.
[After Hugo Schiff (1834-1915), German chemist.]
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.