transpiration
nounUK /ˌtrænspɪˈreɪʃən/
US /ˌtrænspəˈreɪʃən/
Transpiration is when water leaves a plant through its leaves into the air.
The teacher explained that transpiration helps plants pull water up from their roots.
RELATED WORDS
OTHER MEANINGS
2. The passing of water vapor from a living body through a membrane or skin.
Doctors measured the patient's transpiration to check hydration levels.
3. The act of becoming known or coming to light.
The transpiration of the secret surprised everyone at the meeting.
4. The emission of vapor from a substance or surface.
The transpiration from the warm pavement made the air feel humid.