| 单词 | quintillion | 
| 释义 | quin·til·lion    (kwĭn-tĭlyən)n. 1.  The cardinal number equal to 1018. 2.  Chiefly British   The cardinal number equal to 1030. [Latin quīntus, fifth; see  penkwe in the Appendix of Indo-European roots + (M)ILLION.] quin·tillion adj.  | 
	
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