retraction

名词 n.
中文释义

英文释义

名词 n.
  1. An act or instance of retracting. countable,uncountable
  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. countable,uncountable
  3. A continuous function from a topological space onto a subspace which is the identity on that subspace. countable,uncountable

词形变化

retractions plural

词汇关系

衍生词
clot retraction time nonretraction postretraction preretraction

词源

From re- + traction or retract + -ion.
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