retraction

FREQ #29661

n. 缩进, 撤回 [医] 退缩, 缩回

发音

其它 /ɹɪˈtɹækʃən/

词形变化

retractions 复数 retractions

释义与例句

n.
  1. 1.

    An act or instance of retracting.

    可数 不可数
  2. 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.

    可数 不可数
  3. 3.

    A continuous function from a topological space onto a subspace which is the identity on that subspace.

    可数 不可数 数学

词汇关系

名词

同义词 2

abjuration recantation

上位词 6

move movement motion disavowal disclaimer motility

下位词 3

withdrawal backdown climbdown

相关短语

clot retraction time [医] 血块退缩时间, 血块凝缩时间

词源

From re- + traction or retract + -ion.

来源：wiktionary