Verb

vervierfachen

to quadruple, to increase fourfold

Die Firma hat ihren Gewinn vervierfacht.

The company quadrupled its profit.

Die Bevölkerung der Stadt hat sich vervierfacht.

The city's population has quadrupled.

((sth.)) to quadruple sth. The company quadrupled its profit.

sichAkk ((vervierfachen)) to quadruple (itself) The population has quadrupled.

Synonyms: vermehren (to increase), steigern (to raise); Antonyms: vierteln (to quarter)

From the prefix ver- (indicating change) + vier (four) + -fachen (to make -fold). Literally 'to make fourfold'.

Look for 'vier' (four) inside the word. The prefix 'ver-' often implies making something into a certain state, so it means 'to make fourfold'.

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