from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The dental specialty and practice of preventing and correcting irregularities of the teeth, as by the use of braces.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A specialty of dentistry concerned with correcting misalignment of teeth.
from the GNU version of the Collaborative International Dictionary of English
- n. A branch of dentistry specializing in the treatment of the teeth so as to make the teeth align properly within the mouth; it usually involves fitting a patient with braces and sometimes oral surgery.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the branch of dentistry dealing with the prevention or correction of irregularities of the teeth
From orth- + -odont + -ics. (Wiktionary)