a colorless, sweet-smelling, oily liquid, CHOCHO, produced from corncobs, oat hulls, and other cereal wastes, used as a solvent and to make dyes, lacquers, synthetic resins, etc.
Origin of furfuralfurfur + -al
A colorless, sweet-smelling, oily liquid, C5H4O2, made from corncobs and other cellulosic wastes and used in the synthesis of furan derivatives, as a solvent for nitrocellulose, cellulose acetate, and certain dyes, and as a fungicide and insecticide.
Origin of furfuralfurfur + –al3.
(countable and uncountable, plural furfurals)