quadrillion
a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
amounting to one quadrillion in number.
Origin of quadrillion
1Other words from quadrillion
- quad·ril·lionth, noun, adjective
Words Nearby quadrillion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use quadrillion in a sentence
The observatory on Pluto had reported a free planet passing within two hundred quadrillion miles of the solar system.
Unthinkable | Roger Phillips Graham"Three quadrillion times, my son," replied his father with perfect accuracy and a spirit of hourly freshness.
The Kentucky Warbler | James Lane Allenquadrillion, kwod-ril′yun, n. a million raised to the fourth power, represented by a unit with twenty-four ciphers.
They give off resonance waves, each one absolutely unique; there's about one chance in a quadrillion of a duplicate pattern.
Starman's Quest | Robert SilverbergTheir velocity was six hundred and sixty quadrillion miles per second!
Invaders from the Infinite | John Wood Campbell
British Dictionary definitions for quadrillion
/ (kwɒˈdrɪljən) /
(in Britain) the number represented as one followed by 24 zeros (10 24): US and Canadian word: septillion
(in the US and Canada) the number represented as one followed by 15 zeros (10 15)
amounting to this number: a quadrillion atoms
(as pronoun): a quadrillion
Origin of quadrillion
1Derived forms of quadrillion
- quadrillionth, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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