(chemistry) A second solvent added in small quantities to enhance the solvent power of the primary solvent.

plural of cosolvent

A joint sovereign.

plural of cosovereign

joint sovereignty; a situation where there is more than one sovereign over a territory

One of two or more solutes in the same solution

plural of cosolute

A form of floor hockey (itself a variant of ice hockey), played with light plastic pucks on a flooring playing surface.

To sonicate along with another

simple past tense and past participle of cosonicate