extinction

B1 CET-6 大学 FREQ #11187

n. 消失, 消灭, 废止 [化] 消光; 熄灭

发音

其它 /ɪkˈstɪŋkʃən/

词形变化

extinctions 复数 extinctions

教材释义与例句

名词

灭绝;消失;消灭;废止

释义与例句

n. B1
  1. 1.

    The fading of a conditioned response over time if it is not reinforced.

    可数 不可数 心理学
  2. 2.

    The action of making or becoming extinct; annihilation.

    灭绝

    可数 不可数
  3. 3.

    The absorption or scattering of electromagnetic radiation emitted by astronomical objects by intervening dust and gas before it reaches the observer.

    可数 不可数 天文
  4. 4.

    The inability to perceive multiple stimuli simultaneously.

    可数 不可数 医学

词汇关系

相关短语

词源

From late Middle English, borrowed from Latin extinctio (“extinction, annihilation”), from extinguere, past participle extinctus (“to extinguish”); see extinguish.

来源:wiktionary