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[si-men-tuh m] /sɪˈmɛn təm/
noun, Dentistry.
the bonelike tissue that forms the outer surface of the root of the tooth.
Origin of cementum
1605-15; < Latin, variant of caementum rough stone; see cement Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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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


a thin bonelike tissue that covers the dentine in the root of a tooth
Word Origin
C19: New Latin, from Latin: cement
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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cementum in Medicine

cementum ce·men·tum (sĭ-měn'təm)
A bonelike substance covering the root of a tooth. Also called cement.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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