Diphyodont
Diphyodont , adjective
[Greek {not transcribed} double (di- = di`s- twice + {not transcribed} to produce) + 'odoy`s, 'odo`ntos, tooth.]
(Anatomy) Having two successive sets of teeth (deciduous and permanent), one succeeding the other; as, a diphyodont mammal; diphyodont dentition; -- opposed to monophyodont.
(Anatomy) An animal having two successive sets of teeth.