potometer

[ puh-tom-i-ter ]

noun

, Meteorology.

1. 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.

potometer

/ pəˌtɒmɪtə /

noun

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

Word History and Origins

Origin of potometer¹

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

Word History and Origins

Origin of potometer¹

from Latin pōtāre to drink + -meter