transpiration
part of speech
noun (transpiration — uncountable)
meaning for a pupil
1) The way plants lose water as water vapour through tiny holes in their leaves. tree →
2) In science, sometimes also sweating in people and animals (rare). tree →
sense in the lessons
In science lessons on plants, pupils learn that water goes up from the roots, through the stem, and evaporates from the leaves; this is transpiration. It is part of the water cycle. Pupils test it by putting a bag over a plant and watching water drops form inside. Phrases: transpiration from leaves, the rate of transpiration.
examples
- Transpiration pulls water up from the roots. tree →
- We put a plastic bag over the plant to see transpiration. tree →
- Transpiration is faster on hot, windy days. tree →
- Water leaves the plant through tiny holes called stomata. tree →
- Transpiration is part of the water cycle. tree →
- Celery in coloured water shows how water moves before transpiration. tree →
note
Uncountable. The verb is "transpire" (in science), but in everyday English "transpire" also means "become known" or "happen". Do not confuse with "perspiration" (sweat) or "respiration" (breathing and using oxygen). Science: transpiration is faster when it is hot, dry, windy and sunny.
In the corpora
Trees and pragmatics
Every meaning and example of «transpiration» parsed by Mova, each sentence with its dependency tree and frames.