dissolvent adjective 2noun 1forms 3 adjective2 •Having power to dissolve a solid body.the dissolvent juices [of the stomach] — 1691 •Capable of dissolution into a fluid. noun1 •A substance which can dissolve or be dissolved into a liquid.For, that the ordure, which continually gathers on the skin, would soon stop the pores of it, if the sweat were not furnisht with some efficacious dissolvent to open and pierce them. — 1669 formsdissolvents · more dissolvent · most dissolvent