Diph"y*o*dont (?), a. [Gr. double ( = twice + to produce) + , , tooth.] Anat.
Having two successive sets of teeth (deciduous and permanent), one succeeding the other; as, a diphyodont mammal; diphyodont dentition; -- opposed to monophyodont.
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n.
An animal having two successive sets of teeth.
© Webster 1913.