heterodont

from The Collaborative International Dictionary of English v.0.48

Heterodont \Het"er*o*dont\, a. [Hetero- + Gr. ?, ? a tooth.]
   (Anat.)
   Having the teeth differentiated into incisors, canines, and
   molars, as in man; -- opposed to homodont.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Heterodont \Het"er*o*dont\, n. (Zool.)
   Any animal with heterodont dentition.
   [1913 Webster]