A solution composed of sodium chloride (NaCl) and water.

(chemistry) a solution that contains one mole of solute per litre

(physics) Any homogenous crystalline solid, consisting of more than one type of molecule or atom randomly dispersed, in which the structure is independent of its composition.

(chemistry) An alkaline solution of copper sulphate which changes from blue to red in the presence of an aldehyde or a reducing sugar.

(chemistry) a solution in which the solvent can dissolve no more of a specific solute at a particular temperature

An exemplary solution to an exercise provided for checking one's own solution against.

(chemistry) A solution, containing a buffer, that maintains a relatively constant pH

(mathematics, economics) A solution to a minimization or maximization problem where an interior solution is infeasible.

(historical) The planned and attempted mass murder of the European Jews by the Nazis; the Holocaust. / Used other than figuratively or idiomatically: see final, solution.

An aqueous solution of sodium hypochlorite, used as a disinfectant.