The Collaborative International Dictionary
Plicidentine
Plicidentine \Plic`i*den"tine\, n. [LL. plica fold + E. dentine.] (Anat.) A form of dentine which shows sinuous lines of structure in a transverse section of the tooth.
Wiktionary
plicidentine
n. (context anatomy English) A form of dentine which shows sinuous lines of structure in a transverse section of the tooth.