sclera

[skleer-uh]

Origin of sclera

1885–90; < New Latin < Greek sklērá (feminine) hard
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sclera

Historical Examples of sclera

  • In acute glaucoma the sclera appears to be edematous and slightly thickened.

    Glaucoma

    Various

  • As the disease progresses the sclera becomes denser than normal.

    Glaucoma

    Various

  • This permits the sclera to show through a very little at this part.

    Glaucoma

    Various

  • The eyes may remain open for such long periods of time that the conjunctiva and sclera may become quite dry and ulcerate.

    Benign Stupors

    August Hoch

  • In the stage of degeneration, ectasae of the sclera occur most frequently near the equator of the globe.

    Glaucoma

    Various


British Dictionary definitions for sclera

sclera

noun
  1. the firm white fibrous membrane that forms the outer covering of the eyeballAlso called: sclerotic

Word Origin for sclera

C19: from New Latin, from Greek sklēros hard
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sclera
n.

1886, medical Latin, from Greek sklera (menix) "the hard (membrane)," fem. of skleros "hard" (see sclerosis).

Online Etymology Dictionary, © 2010 Douglas Harper

sclera in Medicine

sclera

[sklîrə]
n. pl. scle•ras
  1. The tough fibrous tunic forming the outer envelope of the eye and covering all of the eyeball except the cornea; the white of the eye.sclerotic
Related formsscleral adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

sclera in Science

sclera

[sklîrə]
  1. The tough, white, fibrous tissue that covers all of the eyeball except the cornea.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.