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.

Words nearby dentin

dentigerous cyst, dentil, dentil band, dentilabial, dentilingual, dentin, dentin dysplasia, dentinal, dentinal canal, dentinal dysplasia, dentinal lamina cyst

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

Examples from the Web for dentine

The acid thus generated attacks the enamel of the teeth, causing decay of the dentine.
A Practical Physiology|Albert F. Blaisdell
Outside the dentine of the root is a substance closely resembling bone, called cement.
A Practical Physiology|Albert F. Blaisdell
The crowns of the teeth are greatly reduced in height, and the dentine is thin.
Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado|Charles L. Douglas
Surrounding the cavity on all sides is the hard substance known as the dentine, or tooth ivory.
A Practical Physiology|Albert F. Blaisdell

Complete enamel plates on the anterior and posterior surfaces are separated by tracts of dentine on the sides of each tooth.
Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae|Robert J. Russell

British Dictionary definitions for dentine

dentine

dentin (ˈdɛntɪn)

/ (ˈdɛntiːn) /

noun

the calcified tissue surrounding the pulp cavity of a tooth and comprising the bulk of the tooth

Derived forms of dentine

dentinal, adjective

Word Origin for dentine

C19: from denti- + -in

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for dentine

dentin

[ dĕn′tĭn ]

n.

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

Scientific definitions for dentine

dentin

[ dĕn′tĭn ]

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

Cultural definitions for dentine

dentin

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