quadrillion
UK /kwɒˈdɹɪl.jən/ · US /kwɑˈdɹɪl.i.ən/ numeral, noun
Forms quadrillions
- numeral (US, modern British and Australian, short scale) A thousand trillion (logic: 1,000 × 1,000⁴): 1 followed by fifteen zeros, 10¹⁵.
- numeral (dated, UK, Australia, long scale) A million trillion (logic: 1,000,000⁴): 1 followed by twenty-four zeros, 10²⁴.
- noun (figuratively, slang, hyperbolic) Any very large number, exceeding normal description.
Synonyms
1015 1024 bajillion bazillion billion dillion fantillion gadzillion gagillion gajillion gazillion godzillion googillion grillion hojillion hundred and one jillion kabillion kajillion katrillion
Etymology
From French quadrillion, from quadri- (“four”) + -illion. By surface analysis, quadr- + -illion.
Webster’s 1913
- noun According to the French notation, which is followed also upon the Continent and in the United States, a unit with fifteen ciphers annexed; according to the English notation, the number produced by involving a million to the fourth power, or the number represented by a unit with twenty-four ciphers annexed. See the Note under Numeration.
Etymology [F., fr. L. quater four times, akin to quattuor four, E. four; -- formed like million. See Four, Million.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “quadrillion”, CC BY-SA 4.0. Details