quintillion

== English == === Etymology === From French quintillion. By surface analysis, quint- (“five”) +‎ -illion. === Pronunciation === IPA(key): /kwɪnˈtɪljən/ Rhymes: -ɪljən === Numeral === quintillion (plural quintillions) Either of two very large amounts: (US, modern British and Australian, short scale) A billion billion: 1 followed by eighteen zeros, 1018; one million million million. Synonym: trillion (long scale) (dated, UK, Australia, long scale) A million quadrillion: 1 followed by 30 zeros, 1030. Synonym: (short scale) nonillion (colloquial, hyperbolic) An unspecified very large number. Near-synonyms: gazillion; see also Thesaurus:zillion ==== Coordinate terms ==== ==== Derived terms ==== ==== Translations ==== ==== See also ==== (1018): Previous: quadrillion. Next: sextillion. (1030): Previous: quadrilliard. Next: quintilliard. (ISO prefix): exa- (short scale). === Noun === quintillion (plural quintillions) (figuratively, slang, hyperbolic) Any very large number, exceeding normal description. ==== Synonyms ==== See also Thesaurus:zillion. ==== Translations ==== === References === == French == === Etymology === From quint- (“five”) +‎ -illion. === Pronunciation === IPA(key): /kɛ̃.ti.ljɔ̃/; /kɥɛ̃.ti.ljɔ̃/ === Numeral === quintillion m (plural quintillions) nonillion (1030) (dated) quintillion (1018) === Further reading === “quintillion”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012