acceleration

Từ điển Oxford Advanced Learner 8th

ac·cel·er·ation [acceleration accelerations] BrE [əkˌseləˈreɪʃn] NAmE [əkˌseləˈreɪʃn] noun
1. uncountable, singular ~ (in sth) an increase in how fast sth happens
•an acceleration in the rate of economic growth
2. uncountable the rate at which a vehicle increases speed
•a car with good acceleration
•acceleration from 0–60 mph in 11.2 seconds
3. uncountable (physics)the rate at which the ↑velocity (= speed in a particular direction) of an object changes
•acceleration caused by gravity

Word Origin:
late 15th cent.: from Latin acceleratio(n-), from accelerare ‘hasten’, from ad- ‘towards’ + celer ‘swift’.

Example Bank:
•There has been a rapid acceleration in the growth of industry.
•This model has the best acceleration of any available sports car.
•an acceleration in the rate of growth
•the acceleration of global warming

• Từ đồng nghĩa / Synonyms:
  quickening, speedup
• Từ trái nghĩa / Antonyms:
  deceleration, slowing, retardation