deceleration

名词 n.
/diːsɛləˈɹeɪʃən/    /dɪˌsɛləˈɹeɪʃən/

英文释义

名词 n.
  1. The act or process of decelerating. uncountable
    — The rocket is now in deceleration.
  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. countable
    — The brakes produce a deceleration of 10 metres per second.

词形变化

decelerations plural

词源

From de- + (ac)celeration.
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