Definitions for retractrɪˈtrækt
This page provides all possible meanings and translations of the word retract
abjure, recant, forswear, retract, resile(verb)
formally reject or disavow a formerly held belief, usually under pressure
"He retracted his earlier statements about his religion"; "She abjured her beliefs"
shrink back, retract(verb)
pull away from a source of disgust or fear
retract, pull back, draw back(verb)
use a surgical instrument to hold open (the edges of a wound or an organ)
draw in, retract(verb)
pull inward or towards a center
"The pilot drew in the landing gear"; "The cat retracted his claws"
To pull back inside (for example, an airplane retracting its wheels while flying).
To take back or withdraw something one has said.
I retract all the accusations I made about the senator and sincerely hope he won't sue me.
Origin: From Latin retractum, past participle of retrahere.
to draw back; to draw up or shorten; as, the cat can retract its claws; to retract a muscle
to withdraw; to recall; to disavow; to recant; to take back; as, to retract an accusation or an assertion
to take back,, as a grant or favor previously bestowed; to revoke
to draw back; to draw up; as, muscles retract after amputation
to take back what has been said; to withdraw a concession or a declaration
the pricking of a horse's foot in nailing on a shoe
In mathematics, in the field of group theory, a subgroup of a group is termed a retract if there is an endomorphism of the group that maps surjectively to the subgroup and is identity on the subgroup. In symbols, H is a retract of G if and only if there is an endomorphism such that σ = h for all and for all . The endomorphism itself is termed an idempotent endomorphism or a retraction. The following is known about retracts: ⁕A subgroup is a retract if and only if it has a normal complement. The normal complement, specifically, is the kernel of the retraction. ⁕Every direct factor is a retract. Conversely, any retract which is a normal subgroup is a direct factor. ⁕Every retract has the congruence extension property. ⁕Every regular factor, and in particular, every free factor, is a retract.
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