po·​tom·​e·​ter pō-ˈtä-mə-tər How to pronounce potometer (audio)
: an apparatus for measuring the rate of transpiration in a plant by determining the amount of water absorbed

Word History


Greek poton drink (akin to Greek pinein to drink) + English -meter — more at potable

First Known Use

1884, in the meaning defined above

Time Traveler
The first known use of potometer was in 1884

Dictionary Entries Near potometer

Cite this Entry

“Potometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potometer. Accessed 21 Apr. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!