|1.||the act or process of insensibly eliminating fluid through the pores of the skin, which evaporates immediately|
|2.||the sensible elimination of fluid through the pores of the skin, which is visible as droplets on the skin|
|3.||the salty fluid secreted through the pores of the skin; sweat|
"It is well known that for some time past, neither man, woman nor child ... has been subject to that gross kind of exudation which was formerly known by the name of sweat; ... now every mortal, except carters, coal-heavers and Irish Chairmen ... merely perspires." ["Gentleman's Magazine," 1791]
perspiration per·spi·ra·tion (pûr'spə-rā'shən)
The fluid, consisting of water with small amounts of urea and salts, that is excreted through the pores of the skin by the sweat glands.
The act or process of excreting this fluid through the pores of the skin.