potometer

[ puh-tom-i-ter ]
/ pəˈtɒm ɪ tər /

noun Meteorology.

an instrument for measuring the amount of water that a plant loses through transpiration, consisting of a sealed vessel of water with a cutting inserted in such a way that moisture can escape only through absorption and transpiration.

Origin of potometer

1880–85; < Greek potó(n) drink + -meter

Words nearby potometer

British Dictionary definitions for potometer

potometer
/ (pəˌtɒmɪtə) /

noun

an apparatus that measures the rate of water uptake by a plant or plant part

Word Origin for potometer

from Latin pōtāre to drink + -meter