Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
   
Display options
 
Lookup History
orthodontics

or·tho·don·tics

orthodontics

 
pronunciation:
or th dan tihks
features:
Word Combinations (noun), Word History, Word Explorer, Word Parts
part of speech: plural noun
definition: (used with a sing. verb) the branch of dentistry that deals with the correct alignment and position of teeth; orthodontia.
 
Word CombinationsSubscriber feature About this feature
derivations: orthodontic (adj.), orthodontist (n.)
Word History
The word orthodontics was coined in 1909. It was formed from orthos and odontos, two ancient Greek words that mean "straight" and "tooth."
Word Explorer
See
  tooth
Word PartsSubscriber feature About this feature