transpiration

Borrowed from Middle French transpiration, from Medieval Latin transpiratio, from transpiro, from Latin trans + spiro.

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transpiration (countable and uncountable, plural transpirations)

1. (botany) The loss of water by evaporation in terrestrial plants, especially through the stomata; accompanied by a corresponding uptake from the roots.
2. (physiology) The process of giving off water vapour through the skin or mucous membranes.
3. The passage of gases through fine tubes.

• transpire

Learned borrowing from Medieval Latin trānspirātiō. By surface analysis, transpirer +‎ -ation.

• IPA^(key): /tʁɑ̃s.pi.ʁa.sjɔ̃/

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transpiration f (plural transpirations)

1. (physiology) transpiration (process of giving off water vapour through the skin or mucous membranes)
2. sweat (fluid that exits the body through pores in the skin usually due to physical stress and/or high temperature for the purpose of regulating body temperature and removing certain compounds from the circulation)

   Synonym: sueur

• perspiration

• “transpiration”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012