noun, plural quad·ril·lions, (as after a numeral) quad·ril·lion.
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Origin of quadrillion
OTHER WORDS FROM quadrillionquad·ril·lionth, noun, adjective
Words nearby quadrillion
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 Allen
Quadrillion, 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 Silverberg
Their velocity was six hundred and sixty quadrillion miles per second!Invaders from the Infinite|John Wood Campbell
British Dictionary definitions for quadrillion
- amounting to this numbera quadrillion atoms
- (as pronoun)a quadrillion