retardation

n. 迟延, 妨碍, 阻止 [化] 缓聚作用

发音

UK /ˌɹiː.tɑːˈdeɪ̯.ʃən/
其它
CA /ˌɹi.tɑɹˈdeɪ̯.ʃən/
US /ˌɹi.tɑɹˈdeɪ̯.ʃən/
AU /ˌɹiː.tɐːˈdæɪ̯.ʃən/
NZ /ˌɹiː.tɐːˈdæɪ̯.ʃən/
SCOT /ˌɹi.taɹˈde.ʃən/
IN /ˌɾiː.ʈɑː(ɾ)ˈɖeː.ʃon/

词形变化

retardations 复数 retardations

释义与例句

n.
  1. 1.

    The act of retarding or delaying; hindrance.

    The distance by which one wave is behind another.

    可数 不可数
  2. 2.

    The act of retarding or delaying; hindrance.

    The act of diminishing the rate of speed.

    可数 不可数 音乐
  3. 3.

    The act of retarding or delaying; hindrance.

    A decrease in the speed of telegraph signalling.

    可数 不可数 媒体 工程
  4. 4.

    The extent to which anything is retarded; the result of any retarding or delay; mental, social, or physical slowness.

    可数 不可数
  5. 5.

    Ellipsis of mental retardation.

    可数 不可数 心理学
  6. 6.

    Extreme stupidity.

    非正式 可数 贬义 冒犯 不可数
  7. 7.

    That which retards; an obstacle; an obstruction.

    可数 不可数
  8. 8.

    Deceleration; reduction in the magnitude of velocity.

    可数 不可数 物理
  9. 9.

    A suspension which resolves upwards.

    可数 不可数 音乐

词汇关系

名词

同义词 9

slowing lag slowdown backwardness deceleration mental retardation retardant slowness subnormality

上位词 10

wait hold change agent delay stupidity holdup modification alteration postponement

下位词 6

idiocy abnormality amentia imbecility moronity savant syndrome

相关短语

alpha-thalassemia mental retardation syndrome mental retardation [医] 精神发育迟缓 growth retardation

词源

From retard + -ation.

来源：wiktionary