Definition of endodontist in US English:

endodontist

noun

Dentistry
  • A dentist who practices or specializes in endodontics.

    ‘for root canal treatment you will have to consult an endodontist’

Origin

1940s: from endo- ‘within’ + Greek odous, odont- ‘tooth’, on the pattern of orthodontist.

Pronunciation

endodontist

/ˌendōˈdän(t)əst//ˌɛndoʊˈdɑn(t)əst/