That has had something added in order to dilute it.

plural of dilutant

present participle of dilute

The state or quality of being dilute.

Causing dilution.

A substance used for diluting. / (chemistry) A device that adds a measured amount of sample to a measured amount of diluent.

plural of diluter

Capable of or, more strongly, suitable for being diluted.

A drink designed to be diluted with water.

plural of dilutable