AskDefine | Define protraction

Dictionary Definition



1 the consequence of being lengthened in duration [syn: lengthiness, prolongation, continuation]
2 the act of prolonging something; "there was an indefinite prolongation of the peace talks" [syn: prolongation, perpetuation, lengthening]

User Contributed Dictionary



  1. The condition of being protracted
  2. The act of protracting
  3. The lengthening of a short syllable
  4. An anterior movement on the horizontal plane; The forward movement of the tongue or of a limb

Extensive Definition

Protraction is the anatomical term of motion for anterior movement of the arms at the shoulders.
It is the opposite of retraction.
The major muscles involved include:


External links

protraction in Dutch: Protractie

Synonyms, Antonyms and Related Words

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