Word Study
humectation
CIDE DICTIONARY
humectation, n. [L. humectatio: cf. F. humectation.].
A moistening. Bacon. [1913 Webster]
ROGET THESAURUS
humectation
Water
N water, serum, serosity, lymph, rheum, diluent, agua, aqua, pani, dilution, maceration, lotion, washing, immersion, humectation, infiltration, spargefaction, affusion, irrigation, douche, balneation, bath, deluge, high water, flood tide, watery, aqueous, aquatic, hydrous, lymphatic, balneal, diluent, drenching, diluted, weak, wet, the waters are out.Moisture
N moisture, moistness, humidity, humectation, madefaction, dew, serein, marsh, hygrometry, hygrometer, moist, damp, watery, madid, roric, undried, humid, sultry, wet, dank, luggy, dewy, roral, rorid, roscid, juicy, wringing wet, soaking wet, wet through to the skin, saturated, swashy, soggy, dabbled, reeking, dripping, soaking, soft, sodden, sloppy, muddy, swampy, irriguous.For further exploring for "humectation" in Webster Dictionary Online