mega-

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mega-

 (M)
word element [Gr.], large; meaning large, enlarged, or of abnormally large size; also used in naming units of measurement (symbol M) to designate an amount one million (106) times the size of the unit to which it is joined.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

mega-

(meg'ă),
1. Combining form meaning large, oversize; opposite of micro-.
See also: macro-, megalo-.
2. Prefix used in the SI and the metric system to signify multiples of one million (106).
[G. megas, big]
Farlex Partner Medical Dictionary © Farlex 2012

mega-

The masculine Greek root for large.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

mega-

 Greek, big, abnormally large
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

mega-

1. Combining form meaning large, oversize; opposite of micro-.
See also: macro-, megalo-
2. Prefix used in the SI and metric systems to signify one million (106).
[G. megas, big]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

mega-

1. Prefix denoting one million.
2. Combining form denoting large.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

mega-

or

megalo-

prefix denoting large.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

mega-

Combining form meaning large, oversize; opposite of micro-.
[G. megas, big]
Medical Dictionary for the Dental Professions © Farlex 2012