magnum

[ mag-nuhm ]
/ ˈmæg nəm /

noun

a large wine bottle having a capacity of two ordinary bottles or 1.5 liters (1.6 quarts).
a magnum cartridge or firearm.

adjective

(of a cartridge) equipped with a larger charge than other cartridges of the same size.
(of a firearm) using such a cartridge.
Informal. unusually great in power or size: a magnum spotlight; a magnum dosage.

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Origin of magnum

1780–90; <Latin, neuter of magnus large; in reference to firearms, originally used as a trademark by the Smith and Wesson Co.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for magnum

British Dictionary definitions for magnum

magnum
/ (ˈmæɡnəm) /

noun plural -nums

a wine bottle holding the equivalent of two normal bottles (approximately 52 fluid ounces)

Word Origin for magnum

C18: from Latin: a big thing, from magnus large
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012