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dentin

[den-tn, -tin]
noun Dentistry.
  1. the hard, calcareous tissue, similar to but denser than bone, that forms the major portion of a tooth, surrounds the pulp cavity, and is situated beneath the enamel and cementum.
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Also den·tine [den-teen] /ˈdɛn tin/.

Origin of dentin

First recorded in 1830–40; dent- + -in2
Related formsden·tin·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dentinal

Historical Examples

  • Under tin, teeth are calcified and saved by the deposit of lime-salts from the contents of the dentinal tubuli.

    Tin Foil and Its Combinations for Filling Teeth

    Henry L. Ambler

  • Placing cohesive gold against the dentinal walls by pounding it to heal a lesion is opposed to natural law.


Word Origin and History for dentinal

dentin

n.

also dentine, the hard substance in teeth, 1836, from comb. form of Latin dens (genitive dentis) "tooth" (see tooth) + chemical suffix -in (2).

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Online Etymology Dictionary, © 2010 Douglas Harper

dentinal in Medicine

dentinal

(dĕntə-nəl, dĕn-tē-)
adj.
  1. Of or relating to dentin.
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dentin

(dĕntĭn)
n.
  1. The main, calcareous part of a tooth, beneath the enamel and surrounding the pulp chamber and root canals.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

dentinal in Science

dentin

[dĕntĭn]
  1. The main bony part of a tooth beneath the enamel, surrounding the pulp chamber and root canals.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

dentinal in Culture

dentin

The hard, bony material beneath the enamel of a tooth. The bulk of a tooth is made up of dentin.

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.