Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

orthodontics

play
noun plural but singular in construction or·tho·don·tics \-ˈdän-tiks\

Simple Definition of orthodontics

  • : a branch of dentistry that deals with helping teeth to grow straight

Full Definition of orthodontics

  1. :  a branch of dentistry dealing with irregularities of the teeth (as malocclusion) and their correction (as by braces)

or·tho·don·tic play \-tik\ adjective
or·tho·don·ti·cal·ly play \-ti-k(ə-)lē\ adverb
or·tho·don·tist play \-ˈdän-tist\ noun

1909

First Known Use of orthodontics

1909


Medical Dictionary

orthodontics

play
noun plural but singular in construction orth·odon·tics \-ˈdänt-iks\

Medical Definition of orthodontics

  1. 1:  a branch of dentistry dealing with irregularities of the teeth and their correction (as by means of braces)

  2. 2:  the treatment provided by an orthodontist

  3. orth·odon·tic \-ik\play adjective
    orth·odon·ti·cal·ly \-i-k(ə-)lē\play adverb





Seen and Heard

What made you want to look up orthodontics? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

kittly-benders spindrift pince-nez duvet
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ