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Added 9 October 2026

cambium

/ˈkambɪəm/ noun

Latin root: cambium Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about cambium at Wordnik → Where our words come from →

A formative one-cell layer of tissue between xylem and phloem in most vascular plants that is responsible for secondary growth.
The inner layer of the periosteum.

Origin

Borrowed from Late Latin cambium (“a change”), from Gaulish. Doublet of change.

From Wiktionary, via Kaikki.org (CC BY-SA)

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