magnum
noun/ˈmæɡnəm/
/ˈmæɡnəm/
- a bottle containing 1.5 litres of wine, etc.
- a magnum of champagne
Word Originlate 18th cent.: from Latin, neuter (used as a noun) of magnus ‘great’.
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magnum
Definition of magnum noun from the Oxford Advanced Learner's Dictionary