perspiration Meaning, Definition & Usage

  1. noun salty fluid secreted by sweat glands
    sudor; sweat.
    • sweat poured off his brow
  2. noun the process of the sweat glands of the skin secreting a salty fluid
    sweating; diaphoresis; hidrosis; sudation.
    • perspiration is a homeostatic process

WordNet

Per`spi*ra"tion noun
Etymology
Cf. F. perspiration.
Definitions
  1. The act or process of perspiring.
  2. That which is excreted through the skin; sweat. ✍ A man of average weight throws off through the skin during 24 hours about 18 ounces of water, 300 grains of solid matter, and 400 grains of carbonic acid gas. Ordinarily, this constant exhalation is not apparent, and the excretion is then termed insensible perspiration.

Webster 1913