dentition

UK: /dɛnˈtɪʃən/ US: (den tish′ən)

WordReference Random House Unabridged Dictionary of American English © 2025

den•ti•tion  (den tish′ən), n. 

1. Dentistry the makeup of a set of teeth including their kind, number, and arrangement.
2. Dentistry the eruption or cutting of the teeth;
   teething;
   odontiasis.

• Latin dentītiōn- (stem of dentītiō), equivalent. to dentīt(us) (past participle of dentīre to cut teeth, teethe) + -iōn- -ion
• 1605–15

Collins Concise English Dictionary © HarperCollins Publishers::

dentition / dɛnˈtɪʃən/ noun

1. the arrangement, type, and number of the teeth in a particular species. Humans have a primary dentition of deciduous teeth and a secondary dentition of permanent teeth
2. teething or the time or process of teething

Etymology: 17th Century: from Latin dentītiō a teething