CAMBIUM

cambium

(noun) the inner layer of the periosteum

cambium

(noun) a formative one-cell layer of tissue between xylem and phloem in most vascular plants that is responsible for secondary growth

Source: WordNet® 3.1


Etymology

Noun

cambium (plural cambiums or cambia)

(botany) A layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems.

(anatomy) Periosteum, a membrane that covers the outer surface of bones

(obsolete) One of the humours formerly believed to nourish the bodily organs.

Source: Wiktionary


Cam"bi*um, n. Etym: [LL. cambium exchange, fr. L. cambire to exchange. It was supposed that cambium was sap changing into wood.]

1. (Bot.)

Definition: A series of formative cells lying outside of the wood proper and inside of the inner bark. The growth of new wood takes place in the cambium, which is very soft.

2. (Med.)

Definition: A fancied nutritive juice, formerly supposed to orgiginate in the blood, to repair losses of the system, and to promote its increase. Dunglison.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

1 June 2025

BACKFIRE

(verb) come back to the originator of an action with an undesired effect; “Your comments may backfire and cause you a lot of trouble”; “the political movie backlashed on the Democrats”


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Coffee Trivia

Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.

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