Entry 4 senses · 2 variants Webster, 1913 Resolvent /(-ent)/ · Re·solv·ent · IPA a. n. 01 a. Having power to resolve; causing solution; solvent. 1. Having power to resolve; causing solution; solvent. 02 n. That which has the power of resolving, or causing solution; a solvent. 1. That which has the power of resolving, or causing solution; a solvent. 2. That which has power to disperse inflammatory or other tumors; a discutient; anything which aids the absorption of effused products.(Med.) 3. An equation upon whose solution the solution of a given pproblem depends.(Math.)