Retraction (kinesiology)
WordNet
noun
(1) The act of pulling or holding or drawing a part back
"The retraction of the landing gear"
"Retraction of the foreskin"
(2) A disavowal or taking back of a previous assertion
WiktionaryText
Noun
- An act or instance of retracting.
- A statement printed or broadcast in a public forum which effects the withdrawal of an earlier assertion, and which concedes that the earlier assertion was in error.
- A continuous function from a topological space onto a subspace which is the identity on that subspace.