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Freebase(0.00 / 0 votes)Rate this definition: Cork cambium. Cork cambium is a tissue found in many vascular plants as part of the periderm. The cork cambium is a lateral meristem and is responsible for secondary growth that replaces the epidermis in roots and stems.
cambium-a formative one-cell layer of tissue between xylem and phloem in most vascular plants that is responsible for secondary growth. fibrovascular bundle, vascular bundle, vascular strand-a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem.. 1. (Botany) tissue of higher plants consisting mainly of xylem and phloem and occurring as a continuous system throughout the plant: it conducts water, mineral salts, and synthesized food substances and provides mechanical support.