dentin

[ den-tn, -tin ]
/ ˈdɛn tn, -tɪn /

noun Dentistry.

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

OTHER WORDS FROM dentin

den·tin·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for dentin

Medical definitions for dentin

dentin
[ dĕntĭn ]

n.

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

Scientific definitions for dentin

dentin
[ dĕntĭn ]

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.