# transpiration

> English word · Noun · frequency rank #82,864

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

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/transpiration