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magnum Line breaks: mag¦num
Pronunciation: /ˈmaɡnəm/

Definition of magnum in English:

noun (plural magnums)

1A wine bottle of twice the standard size, normally 1 1/2 litres: a magnum of champagne
More example sentences
  • We took the Tube to ‘the Famous Shoe Designer's’ house and bought a bottle of £4 white wine, but after we arrived they popped open a magnum of champagne.
  • McIlvanney made up for his absence by despatching three magnums of excellent champagne for Fyall and his guests, and a magnum of Krug for the birthday boy himself.
  • The match will be followed by the presentation of the awards and the annual draw, the first prize of which is £50 and a magnum of champagne.
2( trademark in the US) A gun designed to fire cartridges that are more powerful than its calibre would suggest: that magnum has a kick like a field gun [as modifier]: a magnum bullet
More example sentences
  • For its part, the Stutzen should appeal to the magnum air rifle buff who can also appreciate uncompromising refinement at an affordable price.
  • Casull holds a couple-dozen major patents, and is, in fact, a complete gun designer covering everything from mini-revolvers to machine guns to magnum handguns.
  • Then came the magnum era, and people wanted a lightweight, handy rifle to go with their new magnum revolvers.


Late 18th century: from Latin, neuter (used as a noun) of magnus 'great'.

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