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Definition of Transpiration
1. Noun. The passage of gases through fine tubes because of differences in pressure or temperature.
2. Noun. The process of giving off or exhaling water vapor through the skin or mucous membranes.
Derivative terms: Transpire
3. Noun. The emission of water vapor from the leaves of plants.
Definition of Transpiration
1. n. 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.
Definition of Transpiration
1. Noun. (botany) The loss of water by evaporation in terrestrial plants, especially through the stomata; accompanied by a corresponding uptake from the roots. ¹
2. Noun. (physiology) The process of giving off water vapour through the skin or mucous membranes. ¹
3. Noun. The passage of gases through fine tubes. ¹
¹ Source: wiktionary.com
Definition of Transpiration
1. [n -S]
Medical Definition of Transpiration
1. Loss of water vapour from land plants into the atmosphere, causing movement of water through the plant from the soil to the atmosphere via roots, shoot and leaves. Occurs mainly through the stomata. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)