quintillion









quintillion


quintillion [kwin-til-yuh n] Word Origin noun, plural quin·til·lions, (as after a numeral) quin·til·lion.

  1. a cardinal number represented in the U.S. by 1 followed by 18 zeros, and in Great Britain by 1 followed by 30 zeros.

adjective

  1. amounting to one quintillion in number.

Origin of quintillion 1665–75; Latin quīnt(us) fifth + -illion (as in million)Related formsquin·til·lionth, noun, adjective British Dictionary definitions for quintillion quintillion noun plural -lions or -lion

  1. (in Britain, France, and Germany) the number represented as one followed by 30 zeros (10 30)US and Canadian word: nonillion
  2. (in the US and Canada) the number represented as one followed by 18 zeros (10 18)Former Brit word: trillion

Derived Formsquintillionth, adjectiveWord Origin for quintillion C17: from Latin quintus fifth + -illion, as in million Word Origin and History for quintillion n.

1670s, from Latin quintus “the fifth” (see quinque-) + ending from million. Cf. billion. In Great Britain, the fifth power of a million (1 followed by 30 zeroes); in U.S. the sixth power of a thousand (1 followed by 18 zeroes).

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