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1. (n.) transpiration
an action or instance of transpiring.
2. transpiration
the passage of water through a plant from the roots through the vascular system to the atmosphere.
Etymology: (1545–55; trans - + L spīrātiō breathing =spīrā(re) to breathe +-tiōn- -tion)
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| Definition of 'transpiration' |
Princeton's WordNet |
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1. (noun) transpiration
the passage of gases through fine tubes because of differences in pressure or temperature
2. (noun) transpiration
the process of giving off or exhaling water vapor through the skin or mucous membranes
3. (noun) transpiration
the emission of water vapor from the leaves of plants
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| Definition of 'transpiration' |
Webster Dictionary |
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1. (noun) transpiration
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
2. (noun) transpiration
the evaporation of water, or exhalation of aqueous vapor, from cells and masses of tissue
3. (noun) transpiration
the passing of gases through fine tubes, porous substances, or the like; as, transpiration through membranes
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