Meanings
nouncompanion cell (plural companion cells)
plural companion cells
- biologyA specific type of parenchyma cell located in the phloem that assists the sieve-tube cell in its function.
Cite this entry
APA
companion cell. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/companion%20cell
MLA
“companion cell.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/companion%20cell. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “companion cell,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/companion%20cell.
Source: companion cell on Wiktionary, CC BY-SA 4.0.