Definitions

from The Century Dictionary.

  • noun In botany, a growth formed in the cavity of a duct by the intrusion of the wall of a contiguous cell through one or more of the perforations of the duct.
  • noun An affection of the eyelids characterized by an indurated thickening of their edges.
  • noun Same as leucoplacia.
  • noun Callosity.

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

  • noun (Bot.) An intrusion of one vegetable cell into the cavity of another, sometimes forming there an irregular mass of cells.

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

  • noun a thickening of the skin, especially of the eyelids
  • noun a balloonlike growth in a plant cavity; a tylose

Etymologies

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Examples

  • Crocker had an instance of this nature in a man with tylosis palmæ, in which the skin was cast off every autumn, but the process lasted two months.

    Anomalies and Curiosities of Medicine 1896

  • Crocker had an instance of this nature in a man with tylosis palmae, in which the skin was cast off every autumn, but the process lasted two months.

    Anomalies and Curiosities of Medicine 1896

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