Resolvent

Part of speech: noun (n.)

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. Coxe.

3. An equation upon whose solution the solution of a given pproblem depends.

Part of speech: adjective (a.)

Having power to resolve; causing solution; solvent.