• Webster's Revised Unabridged Dictionary
    • n Collenchyma (Bot) A tissue of vegetable cells which are thickend at the angles and (usually) elongated.
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Century Dictionary and Cyclopedia
  • Interesting fact: The shape of a plants' collenchyma cells and the shape of the bubbles in beer foam are the same they are orthotetrachidecahedrons.
    • n collenchyma In botany, a layer of modified parenchyma immediately beneath the epidermis, having the cells thickened at the angles by a pad-like mass which is capable of swelling greatly in water. It is found in the young stems, petioles, and leaf-veins of many dicotyledonous plants.
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Webster's Revised Unabridged Dictionary
NL., fr. Gr. ko`lla glue + an infusion. Formed like parenchyma,