transpiration
The loss of water by evaporation in terrestrial plants, especially through the stomata; accompanied by a corresponding uptake from the roots.
Other meanings
The process of giving off water vapour through the skin or mucous membranes.
The passage of gases through fine tubes.
Word history
From Latin "trans".
Where this comes from
This definition is adapted from “transpiration” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.