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Webster 1913 Edition
Transpiration
Tranˊspi-ra′tion
,Noun.
[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
. Perspiration is a form of transpiration. transpiration
, or the excretion of aqueous vapor from the lungsCudworth.
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 membranesWebster 1828 Edition
Transpiration
TRANSPIRA'TION
,Noun.