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 enamel
牙质;牙本质;齿质 词源mid 19th cent.: from Latin dens, dent- ‘tooth’ + -ine.