- perspiration, sweat, sudor - salty fluid secreted by sweat glands; "sweat poured off his brow"
--1 is a kind of secretion
--1 has substances: water, H2ODerived form: verb perspire1 - perspiration, sweating, diaphoresis, sudation, hidrosis - the process of the sweat glands of the skin secreting a salty fluid; "perspiration is a homeostatic process"
--2 is a kind of bodily process, body process, bodily function, activity
--2 has particulars: hyperhidrosis, hyperidrosis, polyhidrosisDerived form: verb perspire1