companion cell

noun

: a living nucleated cell that is closely associated in origin, position, and probably function with a cell making up part of a sieve tube of a vascular plant

Word History

First Known Use

1859, in the meaning defined above

Time Traveler
The first known use of companion cell was in 1859

Dictionary Entries Near companion cell

Cite this Entry

“Companion cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/companion%20cell. Accessed 14 Jul. 2024.

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