the world > physical sensation > cleanness and dirtiness > freedom from impurities > removal of impurities > treatment with water or liquid > [noun] (2)
Cleansing or purification using water; = lotion, n. 3. Also: water used for this purpose.
Chemistry and Medicine. The cleansing or purification of minerals, medicines, etc., in a liquid, esp. by submergence or dilution in water which…