Definition of dentition noun from the Oxford Advanced Learner's Dictionary

 

dentition

 noun
noun
BrE BrE//denˈtɪʃn//
 
; NAmE NAmE//denˈtɪʃn//
 
[uncountable, countable](specialist)
 
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the arrangement or condition of a person’s or an animal’s teeth Word Origin late 16th cent. (denoting the development of teeth): from Latin dentitio(n-), from dentire ‘teethe’, from dens, dent- ‘tooth’.
See the Oxford Advanced American Dictionary entry: dentition