retract

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retract

[′rē‚trakt]
(mathematics)
A subset R of a topological space X is a retract of X if there is a continuous map ƒ from X to R, with ƒ(r) = r for all points r of R.
References in periodicals archive ?
We thought that incomplete foreskin retractability with a poorly visible urethral meatus may be associated with increased risk of urinary tract infection," Dr.
The research is conducted within the project "The Retractability of Consent.
In grade 2, retractability and elasticity parameters are altered from age 30 whilst only from age 50 in the control group.