salty fluid secreted by sweat glands; "sweat poured off his brow" the process of the sweat glands of the skin secreting a salty fluid; "perspiration is a homeostatic process
Perspiration is the liquid which comes out on the surface of your skin when you are hot or frightened. His hands were wet with perspiration. = sweat. liquid that appears on your skin when you are hot or nervous = sweat antiperspirant. Fluid given off by the skin as vapour by simple evaporation or as sweat actively secreted from sweat glands to evaporate and cool the body. When the body temperature rises, the sympathetic nervous system stimulates eccrine sweat glands to secrete water to the skin surface, where it cools the body by evaporation. Human eccrine sweat is essentially a dilute solution of sodium chloride with trace amounts of other plasma electrolytes. In extreme conditions, human beings may excrete several litres of such sweat in an hour
the process of the sweat glands of the skin secreting a salty fluid; "perspiration is a homeostatic process"