Quadruple of...?

[Foah]

Hi!

I?ve read the above expression at http://dict.leo.org as an alternative to four times. As I never heard or read it before I wonder whether it is commonly known and used? And if, what the matter is to use it?

Michael
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[Conchita]

The word 'quadruple' is probably used as much in Latin languages as in English, though not as commonly as 'double' or 'triple'. It's easier to say 'the population has quadrupled in the last ten years' than 'the population has multiplied four times in the last ten years'. It also depends on the desired effect, I suppose.

Some other 'uples' are:

quintuple, sextuple, septuple, octuple, nonuple and decuple.

[Stew.t.]

Hi

As an alternative you could used "fourfold";

The population has increased fourfold in the last decade.

= The population has quadrupled .....................
= The population has increased fourtimes in the last decade.

Note: Quadrupled allows you to not have to use a word to indicate a rise in the amount, i.e. increase.
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