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quadrillion
[ kwo-dril-yuhn ]
noun
, plural quad·ril·lions, (as after a numeral) quad·ril·lion.
- a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
adjective
- amounting to one quadrillion in number.
quadrillion
/ kwɒˈdrɪljən /
noun
- (in Britain) the number represented as one followed by 24 zeros (10 24) US and Canadian wordseptillion
- (in the US and Canada) the number represented as one followed by 15 zeros (10 15)
determiner
- amounting to this number
a quadrillion atoms
- ( as pronoun )
a quadrillion
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Derived Forms
- quadˈrillionth, adjective
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Other Words From
- quad·rillionth noun adjective
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Word History and Origins
Origin of quadrillion1
1665–75; quadr- + -illion (as in million )
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Word History and Origins
Origin of quadrillion1
C17: from French quadrillon, from quadri- + -illion, on the model of million
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Example Sentences
The observatory on Pluto had reported a free planet passing within two hundred quadrillion miles of the solar system.
From Project Gutenberg
"Three quadrillion times, my son," replied his father with perfect accuracy and a spirit of hourly freshness.
From Project Gutenberg
Quadrillion, kwod-ril′yun, n. a million raised to the fourth power, represented by a unit with twenty-four ciphers.
From Project Gutenberg
They give off resonance waves, each one absolutely unique; there's about one chance in a quadrillion of a duplicate pattern.
From Project Gutenberg
Their velocity was six hundred and sixty quadrillion miles per second!
From Project Gutenberg
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