DICT.TW Dictionary Taiwan

 cam·bi·um /ˈkæmbiəm/
 形成層,新生組織

 Cam·bi·um n.
 1. Bot. 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. A fancied nutritive juice, formerly supposed to originate in the blood, to repair losses of the system, and to promote its increase.
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 cambium
      n 1: formative one-cell-thick layer of tissue between xylem and
           phloem in most vascular plants that is responsible for
           secondary growth
      2: the inner layer of the periosteum
      [also: cambia (pl)]