Found 2 items, similar to Transpiration.
English → English (WordNet) Definition: transpiration transpiration n 1: the passage of gases through fine tubes because of differences in pressure or temperature 2: the process of givng off or exhaling water vapor through the skin or mucous membranes 3: the emission of water vapor from the leaves of plants
English → English (gcide) Definition: Transpiration 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. [1913 Webster] 2. (bot.) The evaporation of water, or exhalation of aqueous vapor, from cells and masses of tissue. [1913 Webster] 3. (Physics) The passing of gases through fine tubes, porous substances, or the like; as, transpiration through membranes. [1913 Webster]