Any agent, natural or artificial that acts to preserve, especially when added to food.
Tending to preserve.
A product, service or suite thereof, especially software.
A homogeneous mixture, which may be liquid, gas or solid, formed by dissolving one or more substances.
An act, plan or other means, used or proposed, to solve a problem.
An answer to a problem.
The act of dissolving, especially of a solid by a fluid; dissolution.
To treat with a solution.