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

1780–90; < Latin, neuter of magnus large; in reference to firearms, orig. used as a trademark by the Smith and Wesson Co. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To magnum
World English Dictionary
magnum (ˈmæɡnəm)
n , pl -nums
a wine bottle holding the equivalent of two normal bottles (approximately 52 fluid ounces)
[C18: from Latin: a big thing, from magnus large]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1788, "bottle containing two quarts of wine or spirits," from L. magnum, neut. of magnus "great" (see magnate). Registered 1935 by Smith & Wesson Inc., of Springfield, Mass., as the name of a powerful type of handgun.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Computing Dictionary

MAGNUM definition

A database language for DEC-10's, used internally by Tymshare, Inc.. MAGNUM was designed in the late 1970's by Dale Jordan, Rich Strauss and Dave McQuoid originally, and was written in BLISS-10. It was the world's first commercial relational database. It was in the process of being written in 1976.
The Free On-line Dictionary of Computing, © Denis Howe 2010
Cite This Source
Example sentences
You'd think that the omnipotent creator would have mentioned such a thing in
  its magnum opus.
He had the credentials before he wrote his magnum opus.
The spinal cord enters high on the skull through a hole called the foramen
The hole at the bottom of the skull where the spinal cord exits, known as the
  foramen magnum, is one clue.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature