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cementum

[si-men-tuh m]
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noun Dentistry.
  1. the bonelike tissue that forms the outer surface of the root of the tooth.
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Origin of cementum

1605–15; < Latin, variant of caementum rough stone; see cement
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cementum

Historical Examples

  • Teeth-enamel is formed from the epiblast, and dentine, cementum, pulp (except as to nerve tissue) from the mesoblast.

    Degeneracy

    Eugene S. Talbot

British Dictionary definitions for cementum

cementum

noun
  1. a thin bonelike tissue that covers the dentine in the root of a tooth
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Word Origin

C19: New Latin, from Latin: cement
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
cementum in Medicine

cementum

(sĭ-mĕn′təm)
n.
  1. A bonelike substance covering the root of a tooth.cement
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.