n. 蒸发, 排出, 发散, 流逸, 不自觉性出汗

[医] 蒸散, 蒸腾, 不显汗

Transpiration \Tran`spi*ra"tion\, n. [F. transpiration.]
1. (Physiol.) The act or process of transpiring or excreting
in the form of vapor; exhalation, as through the skin or
other membranes of the body; as, pulmonary transpiration,
or the excretion of aqueous vapor from the lungs.
Perspiration is a form of transpiration. --Cudworth.

2. (bot.) The evaporation of water, or exhalation of aqueous
vapor, from cells and masses of tissue.

3. (Physics) The passing of gases through fine tubes, porous
substances, or the like; as, transpiration through
membranes.