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.
Also den·tine [den-teen] /ˈdɛn tin/
Origin of dentin
Related formsden·tin·al, adjective
First recorded in 1830–40; dent-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for dentine
Historical Examples of dentine
British Dictionary definitions for dentine
Derived Formsdentinal, adjective
the calcified tissue surrounding the pulp cavity of a tooth and comprising the bulk of the tooth
Word Origin for dentine
C19: from denti- + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for dentine
also dentine, the hard substance in teeth, 1836, from comb. form of Latin dens (genitive dentis) "tooth" (see tooth) + chemical suffix -in (2).
Online Etymology Dictionary, © 2010 Douglas Harper
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.
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.
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.