quintile
	英 ['kwɪntɪl; -aɪl]
美['kwɪntaɪl]
	
	    
	
    - n. 五分之一对座
- adj. 五分之一对座的(相隔72度)
 
	中文词源
	
	quintile 五分位值quint-,五分之一,-ile,形容词后缀。引申词义五分位值。
 
		英文词源
	
	- quintile (n.)
- 1610s, originally in astrology, from Latin quintus "the fifth" (see quinque-) + -ile, from quartile. Use in statistics dates to 1951.