ver- -fachen

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German

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Circumfix

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ver- -fachen

  1. used with numerals to create verbs that express multiplication
    vier (four) + ‎ver- -fachen → ‎vervierfachen (to multiply by four, to quadruple)
    zwanzig (twenty) + ‎ver- -fachen → ‎verzwanzigfachen (to multiply by twenty)
    hunderttausend (a hundred thousand) + ‎ver- -fachen → ‎verhunderttausendfachen (to multiply by a hundred thousand)

Usage notes

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  • In speech, there are no limits to the use of this circumfix. In writing, particularly long forms, such as versiebenhundertneunundachtzigfachen (to multiply by 789), will be avoided.
  • With Million (million) and Milliarde (billion), the circumfix is added to the plural form (vermillionenfachen; vermilliardenfachen).