noun, plural spongeflies. 1. any of several insects of the family Sisyridae, the aquatic larvae of which feed on freshwater sponges.
noun 1. finely divided, porous iron, reduced from an oxide at a temperature below the melting point.
noun 1. a person or thing that sponges. 2. a person who habitually borrows or lives at the expense of others; parasite. 3. a person or boat engaged in gathering sponges. noun 1. (informal) a person who lives off other people by continually taking advantage of their generosity; parasite or scrounger 2. a person or […]
noun 1. a light, spongy rubber, usually prepared by bubbling carbon dioxide through or whipping air into latex, used for padding, insulation, gaskets, etc.; foam rubber.