deceleration

n. 减速 [医] 减速[度]

发音

UK /diːsɛləˈɹeɪʃən/
其它
US /dɪˌsɛləˈɹeɪʃən/

词形变化

decelerations 复数 decelerations

别名

decel

释义与例句

n.
  1. 1.

    The act or process of decelerating.

    减速

    不可数 可数

    The rocket is now in deceleration.

  2. 2.

    The amount by which a speed or velocity decreases (and so a scalar quantity or a vector quantity), an acceleration having a negative numerical value.

    可数 不可数

    The brakes produce a deceleration of 10 metres per second.

词汇关系

名词

同义词 2

slowing retardation

反义词 1

acceleration

上位词 7

change speed rate speeding hurrying modification alteration

词源

From de- + (ac)celeration.

来源：wiktionary