Retraction

Retraction or retract(ed) may refer to:

Academia

 * Retraction in academic publishing, withdrawals of previously published academic journal articles

Mathematics

 * Retraction (category theory)
 * Retract (group theory)
 * Retraction (topology)

Human physiology

 * Retracted (phonetics), a sound pronounced to the back of the vocal tract, in linguistics
 * Retracted tongue root, a position of the tongue during the pronunciation of a vowel, in phonetics
 * Sternal retraction, a symptom of respiratory distress in humans
 * Retraction (kinesiology), an anatomical term of motion

Linguistics

 * A process which has led to the Neo-Shtokavian accentuation, also known as "Neo-Shtokavian metatony"