avulsion

n. 扯开, 撕脱, 扯离的部分 [医] 撕脱[法], 抽出术

词形变化

avulsions 复数 avulsions

释义与例句

n.
  1. 1.

    The loss or separation of a body part, either by surgery or due to trauma.

    可数 不可数 医学

    Immediately observable were avulsion of several teeth and extensive lacerations and bruising to the face.

  2. 2.

    An abrupt change in the course of a river, typically from one channel to another.

    可数 不可数
  3. 3.

    Movement of soil during a flood, or during a change in the course of a river, especially when a resulting change of land ownership is involved.

    可数 不可数

词汇关系

名词

上位词 4

change separation modification alteration

词源

From Latin avulsio from a- + vellō.

来源：wiktionary