quadrillion

From French quadrillion, from quadri- (“four”) +‎ -illion.

• (US, General Australian, General New Zealand, Scotland) IPA^(key): /kwɒˈdɹɪɫjən/
• (UK, Ireland, General South African) IPA^(key): /kwɒˈdɹɪljən/, /kwɒˈdʒɹɪljən/ (the latter may be non-standard)

• Audio (US)

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• Audio (AU)

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• Rhymes: -ɪljən

quadrillion

1. (US, modern British and Australian, short scale) A thousand trillion: 1 followed by fifteen zeros, 10¹⁵.
2. (dated, Britain, Australia, long scale) A million trillion: 1 followed by twenty-four zeros, 10²⁴.

• (10¹⁵): a long scale billiard
• (10²⁴): a short scale septillion

• (10¹⁵): peta-
• (10²⁴): yotta-
• (10¹⁵): Previous: trillion. Next: quintillion.
• (10²⁴): Previous: trilliard. Next: quintillion.

quadrillion (plural quadrillions)

1. (figuratively, slang, hyperbolic) Any very large number, exceeding normal description.
   • 1999 Beverly Lewis, A Perfect Match, Bethany House Publishers, p23

     They'd never understand — not in a quadrillion years.

   • 2000 J. D. Maples, Trojan Steers, Lomaland Books Inc, p58

     Me, I never refuse a meal, and believe me I seen some heavy weather. I musta flown a quadrillion miles and I never did have a problem.

   • 2004 Arthur Kopecky, New Buffalo: journals from a Taos commune, UNM Press, p143

     The sky is so absolutely clear with a quadrillion stars.

   • 2006 Evelyn Caro, The Flickering Attic Window, Trafford Publishing, p8

     She's named after this famous singer from a quadrillion years ago.

• (any very large number): bajillion, bazillion, billion, dillion, fantillion, gadzillion, gagillion, gajillion, gazillion, godzillion, googillion, grillion, hojillion, hundred and one, infillion, jillion, kabillion, kajillion, katrillion, killion, kazillion, million, million and one, quintillion, robillion, skillion, squidillion, squillion, thousand and one, trillion, umptillion, zillion

• IPA^(key): /kwa.dʁi.ljɔ̃/

quadrillion

1. 10²⁴; a quadrillion by the long scale; a short scale septillion.

• Previous: trilliard, 10²¹
• Next: quadrilliard, 10²⁷

• “quadrillion” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

quadrillion m (plural quadrillions)

1. quadrillion (10²⁴)