معنی کلمه :‌ detergent

Cleansing; purging.

A substance which cleanses the skin, as water or soap; a medicine to cleanse wounds, ulcers, etc.

A complex nitrogenous radical, C8H4NO2, regarded as the essential residue of a series of compounds, related to isatin, which easily pass by reduction to indigo blue. -- I*sat`o*gen"ic, a.