retraction

nounB2

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Danh từ

noun

Plural noun:

retractions

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

Từ liên quan

Cùng gốc / liên quan

nonretractionpostretractionpreretractionclot retraction time

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Nguồn gốc từ

From re- + traction or retract + -ion.