root pressure


: the chiefly osmotic pressure by which water rises into the stems of plants from the roots

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of root pressure was in 1875

Dictionary Entries Near root pressure

Cite this Entry

“Root pressure.” Dictionary, Merriam-Webster, Accessed 2 Feb. 2023.

Kids Definition

root pressure

: the pressure that is caused by the absorption of soil water and that helps to push water up the plant stem from the roots

More from Merriam-Webster on root pressure

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