ver- -fachen

German

Circumfix

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

  • 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).
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