SEPTILLION


Meaning of SEPTILLION in English

/ sepˈtɪljən; NAmE / number

the number 10 24 , or 1 followed by 24 zeros

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WORD ORIGIN

late 17th cent.: from French , from million , by substitution of the prefix septi- seven (from Latin septimus seventh) for the initial letters.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.