Hard soap

Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Hard soap: soft soap
any one of a great variety of soaps, of different ingredients and color, which are hard and compact. All solid soaps are of this class.

See also: Soap

References in classic literature ?
He then donned his waistcoat, and taking up a piece of hard soap on the wash-stand centre-table, dipped it into water and commenced lathering his face.
56 mg/l) contributes to the saponification reaction that produces hard soap.
Morfoze is a polygonal, brightly colored, but odor-free, hard soap concept and one which will surely appeal to consumers who like the out of the ordinary.