dentin

[ den-tn, -tin ]

nounDentistry.
  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.

Origin of dentin

1
First recorded in 1830–40; dent- + -in2
  • Also den·tine [den-teen]. /ˈdɛn tin/.

Other words from dentin

  • den·tin·al, adjective

Words Nearby dentin

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How to use dentin in a sentence

Scientific definitions for dentin

dentin

[ dĕntĭn ]


  1. The main bony part of a tooth beneath the enamel, surrounding the pulp chamber and root canals.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for dentin

dentin

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

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.