different between quintillion vs quadrillion

English

Etymology

quint- (“five”) +? -illion

Pronunciation

• IPA^(key): /kw?n?t?l?lj?n/
• Rhymes: -?lj?n

Numeral

quintillion

1. (US, modern British & Australian, short scale) A billion billion: 1 followed by eighteen zeros, 10¹⁸.
   • 2014, BBC News Magazine Monitor, Small Data: Those big numbers keep on coming, BBC:

     Last week, we used...the BBC News website's biggest number: 9,223,372,036,854,775,808, that's 9.2 quintillion...[the maximum video viewer count on YouTube's] updated counter software.

2. (dated, British & Australian, long scale) A million quadrillion: 1 followed by 30 zeros, 10³⁰.

Synonyms

• (10¹⁸): a long scale trillion
• (10³⁰): a short scale nonillion

Translations

See also

• (10¹⁸): Previous: quadrillion. Next: sextillion.
• (10³⁰): Previous: quadrilliard. Next: quintilliard.
• (ISO prefix): exa- (short scale).

Noun

quintillion (plural quintillions)

1. (figuratively, slang, hyperbolic) Any very large number, exceeding normal description.

Synonyms

• See also Thesaurus:zillion.

Translations

French

Etymology

From quint- (“five”) +? -illion.

Pronunciation

• IPA^(key): /k??.ti.lj??/

Numeral

quintillion

1. 10³⁰; a quintillion by the long scale; a short scale nonillion.

Usage notes

• Previous: quadrilliard, 10²⁷
• Next: quintilliard, 10³³

Further reading

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

English

Etymology

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

Pronunciation

• (US) IPA^(key): /kw??d??li.?n/, /kw??d??lj?n/
• (General Australian, Scotland) IPA^(key): /kw??d??lj?n/
• (General New Zealand) IPA^(key): /kw??d??lj?n/
• (UK, Ireland, General South African) IPA^(key): /kw??d??lj?n/, /kw??d???lj?n/ (the latter may be non-standard)
• Rhymes: -?lj?n

Numeral

quadrillion

1. (US, modern British and Australian, short scale) A thousand trillion (logic: 1,000 × 1,000^4): 1 followed by fifteen zeros, 10¹⁵.
2. (dated, Britain, Australia, long scale) A million trillion (logic: 1,000 × 1,000,000^2): 1 followed by twenty-four zeros, 10²⁴.

Synonyms

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

Translations

See also

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

Noun

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.

Synonyms

• (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

Translations

French

Etymology

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

Pronunciation

• IPA^(key): /kwa.d?i.lj??/

Numeral

quadrillion

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

Usage notes

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

Further reading

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

Middle French

Noun

quadrillion m (plural quadrillions)

1. quadrillion (10²⁴)