Solvent

1. n. That which resolves; as, a solvent of mystery.
2. a. Having the power of dissolving; dissolving; as, a solvent fluid.
3. a. Able or sufficient to pay all just debts; as, a solvent merchant; the estate is solvent.
4. n. A substance (usually liquid) suitable for, or employed in, solution, or in dissolving something; as, water is the appropriate solvent of most salts, alcohol of resins, ether of fats, and mercury or acids of metals, etc.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.