from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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; sweat.
  • n. The act or process of perspiring.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the action or process of perspiring
  • n. a saline fluid secreted by the sweat glands

from the GNU version of the Collaborative International Dictionary of English

  • n. The act or process of perspiring.
  • n. That which is excreted through the skin; sweat.

from The Century Dictionary and Cyclopedia

  • n. Excretion of liquid from the skin, mainly by the sweatglands; sweating: a function of service in the elimination of certain substances, but especially as a means of cooling the body. It is under direct nervous control.
  • n. The liquid thus excreted; sweat.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the process of the sweat glands of the skin secreting a salty fluid
  • n. salty fluid secreted by sweat glands


from Wiktionary, Creative Commons Attribution/Share-Alike License

From French perspiration, from perspirer ("perspire"), from Latin perspirare ("to blow or breathe constantly"), from per ("through") + spirare ("to breathe, blow")



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  • I have trouble moving from the inspiration to the perspiration; my great ideas don’t become reality because I don’t spend the time and energy to make them happen.

    December 4, 2010

  • Supposedly a hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there.

    May 7, 2008