potometer

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/pəˌtɒmɪtə/US:USA pronunciation: respellingUSA pronunciation: respelling(pə tom′i tər)


WordReference Random House Unabridged Dictionary of American English © 2026
po•tom•e•ter  (pə tom′i tər),USA pronunciation n. [Meteorol.]
  1. Meteorologyan 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.
  • Greek potó(n) drink + -meter
  • 1880–85

Collins Concise English Dictionary © HarperCollins Publishers::
potometer /pəˈtɒmɪtə/ n
  1. an apparatus that measures the rate of water uptake by a plant or plant part
Etymology: from Latin pōtāre to drink + -meter

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