| 单词 | centripetal acceleration | 
| 释义 | centripetal acceleration [´sen`trip·ǝd·ǝl ik´sel·ǝ`rā·shǝn]  MECHANICS The radial component of the acceleration of a particle or object moving around a circle, which can be shown to be directed toward the center of the circle. Also known as radial acceleration.  | 
	
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