n]
| 1. | a salty, watery fluid secreted by the sweat glands of the skin, esp. when very warm as a result of strenuous exertion; sweat. |
| 2. | the act or process of perspiring. |

perspiration per·spi·ra·tion (pûr'spə-rā'shən)
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.
The act or process of excreting this fluid through the pores of the skin.