quintillion

views updated May 23 2018

quin·til·lion / kwinˈtilyən/ • cardinal number (pl. -lions or (with numeral) same) a thousand raised to the power of six (1018). ∎ dated, chiefly Brit. a million raised to the power of five (1030).DERIVATIVES: quin·til·lionth / -yən[unvoicedth]/ ordinal number .

The Oxford Pocket Dictionary of Current English

quintillion

views updated May 18 2018

quintillion fifth power of a million; (U.S.) sixth power of a thousand. XVII. f. L. quintus fifth + (m)illion; cf. BILLION.

The Concise Oxford Dictionary of English Etymology T. F. HOAD

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