octillion

English

Etymology

oct- (“eight”) +‎ -illion

Pronunciation

• (UK) IPA^(key): /ɒkˈtɪl.iː.ən/

• Audio (AU)

  (file)

• Rhymes: -ɪljən
• Hyphenation: oct‧il‧li‧on, oc‧til‧li‧on

Numeral

octillion (plural octillions)

1. (US, modern British and Australia, short scale) A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10²⁷.
   • 2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), pages 5–6:

     Altogether it takes seven billion billion billion (that’s 7,000,000,000,000,000,000,000,000,000, or seven octillion) atoms to make you.

2. (dated British and Australia, long scale) A trillion quintillion: 1 followed by 48 zeros, 10⁴⁸.

Synonyms

• (10²⁷): a long scale quadrilliard
• (10⁴⁸): a short scale quindecillion

Translations

a thousand trillion trillion, 10²⁷

• Armenian: հազար քառիլիոն (hazar kʻaṙilion)
• Esperanto: kvariliardo
• Finnish: kvadriljardi
• French: quadrilliard (fr)
• German: Quadrilliarde (de)
• Hungarian: kvadrilliárd (hu)
• Italian: quatriliardo
• Japanese: 千秭 (せんじょ, senjo / せんし, senshi)
• Malay: oktilion
• Maltese: ottiljun, kwadriljard m
• Polish: kwadryliard (pl) m
• Portuguese: octilhão (pt)
• Russian: октиллион (ru) m (oktillion)
• Spanish: mil cuatrillones
• Turkish: oktilyon
• Ukrainian: октильйон (uk) (oktylʹjon)

a trillion quintillion, 10⁴⁸ — see also quindecillion

• Chinese:

  Mandarin: 一極／一极

• Esperanto: okiliono
• Finnish: oktiljoona (fi)
• French: octillion (fr) m
• German: Oktillion (de) f
• Spanish: octillón (es)

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• Latin: ^{(please verify)} octillio f

See also

• (short and long scale) Previous: septillion. Next: nonillion.

Anagrams

• cotillion

French

French numbers ^(edit)

←  1042	←  1045	1048	1051  →	1054  →
Cardinal (traditional spelling): un octillion     Cardinal (post-1990 spelling): un-octillion     Ordinal: octillionième
French Wikipedia article on 1048

Etymology

From oct- (“eight”) +‎ -illion.

Pronunciation

• IPA^(key): /ɔk.ti.ljɔ̃/

• Audio

  (file)

Numeral

octillion m (plural octillions)

1. quindecillion (10⁴⁸)
2. (dated) octillion (10²⁷)

Further reading

• “octillion”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.