Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A supportive plant tissue that consists of thick-walled, usually lignified cells. Sclerenchyma cells are either fibers or sclereids.

from The Century Dictionary.

  • noun The hard sub stance of the calcareous skeleton or corallum of sclerodermic corals, a proper tissue-secretion or calcification of the soft parts of the polyps themselves.
  • noun In botany, the tissue largely composing the hard parts of plants, such as the shell (endocarp) of the hickory-nut, the seed-coat of seeds, the hypoderma of leaves, etc.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) Vegetable tissue composed of short cells with thickened or hardened walls, as in nutshells and the gritty parts of a pear. See sclerotic.
  • noun (Zoöl.) The hard calcareous deposit in the tissues of Anthozoa, constituting the stony corals.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun botany A mechanical, supportive ground tissue in plants consisting of aggregates of cells having thick, often mineralized walls
  • noun zoology The hard calcareous deposit in the tissues of Anthozoa, constituing the stony corals.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek σκληρός ("hard") + -enchyma

Examples

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