retraction

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See also: rétraction

English

Etymology

re- +‎ traction

Noun

retraction (countable and uncountable, plural retractions)

  1. An act or instance of retracting.
  2. 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.
  3. (mathematics) A continuous function from a topological space onto a subspace which is the identity on that subspace.

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