[ puh-tom-i-ter ]
/ pəˈtɒm ɪ tər /
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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.
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Origin of potometer
1880–85; <Greek potó(n) drink + -meter
Words nearby potometer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for potometer
/ (pəˌtɒmɪtə) /
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012