Meaning & use
transpiration
The process by which water moves through a plant and evaporates from its leaves, stems, or flowers.
See it in a sentence
Transpiration helps pull water and nutrients up from the roots to the highest leaves.
Scientists measured how transpiration rates changed under different humidity conditions.
A note on using this word
Transpiration is a key part of the water cycle and is often compared to sweating, since both release water vapor into the air.
Words with a similar meaning
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