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



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Word of the Day

25 September 2024

TRAINED

(adjective) shaped or conditioned or disciplined by training; often used as a combining form; “a trained mind”; “trained pigeons”; “well-trained servants”


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