2 definitions found From WordNet (r) 2.0 [wn]: dentition noun 1: the eruption through the gums of baby teeth [syn: {teething}, {odontiasis}] 2: the kind and number and arrangement of teeth (collectively) in a person or animal [syn: {teeth}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Dentition \Den*ti"tion\, noun [L. dentitio, fr. dentire to cut teeth, fr. dens, dentis, tooth. See {Dentist}.] 1. The development and cutting of teeth; teething. 2. (Zo["o]l.) The system of teeth peculiar to an animal.

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