TRANSPIRATION
transpiration
(noun) the emission of water vapor from the leaves of plants
transpiration
(noun) the passage of gases through fine tubes because of differences in pressure or temperature
transpiration
(noun) the process of giving off or exhaling water vapor through the skin or mucous membranes
Source: WordNet® 3.1
Etymology
Noun
transpiration (countable and uncountable, plural transpirations)
(botany) The loss of water by evaporation in terrestrial plants, especially through the stomata; accompanied by a corresponding uptake from the roots.
(physiology) The process of giving off water vapour through the skin or mucous membranes.
The passage of gases through fine tubes.
Source: Wiktionary
Tran`spi*ra"tion, n. Etym: [F. transpiration.]
1. (Physiol.)
Definition: 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.)
Definition: The evaporation of water, or exhalation of aqueous vapor, from
cells and masses of tissue.
3. (Physics)
Definition: The passing of gases through fine tubes, porous substances, or
the like; as, transpiration through membranes.
Source: Webster’s Unabridged Dictionary 1913 Edition