I. -nt adjective
Etymology: International Scientific Vocabulary heter- + -odont
1. : having the teeth differentiated into incisors, canines, and molars
heterodont mammals
man is heterodont
— opposed to homodont
2. : having both cardinal and lateral teeth that fit into depressions on the opposite valve — compare heterodonta
II. noun
( -s )
: an animal with heterodont dentition