dentine
noun/ˈdentiːn/
/ˈdentiːn/
(North American English also dentin
[uncountable] (biology)/ˈdentɪn/
)- the hard substance that forms the main part of a tooth under the enamelWord Originmid 19th cent.: from Latin dens, dent- ‘tooth’ + -ine.
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dentine