diluent noun & adjective. ['dɪljʊǝnt] E18.
[Latin diluent- pres. ppl stem of diluere: see DILUTE verb, -ENT.]
A. noun.
1. A medicine used to increase the proportion of water in the blood and other body fluids. Now rare or obsolete. E18.

2. gen. Something which dilutes, dissolves, or makes more fluid. L18.
b. adjective. Diluting; serving to attenuate or weaken by the addition of water etc. M18.

[TahlilGaran] English Dictionary ▲