Surpassing other examples of its kind; extraordinary.
One million (106 ).
1,048,576 (220 ).
Great in size, quantity, etc., often in relation to others of its kind.
A prefix that means.
Large, great, powerful.
Large, as in megadose, a large dose.
One million; the factor 106
One million, as in megahertz, one million hertz.
220 (that is, 1,048,576), which is the power of 2 closest to a million, as in megabyte.
(informal) Very large.
Huge in size, number, etc.
To an enormous degree.
(computing) Multiplying the unit to which it is attached by 220 (= 1,048,576, the binary round number closest to a million).
(computing, marketing) Multiplying the unit to which it is attached by 210 Ã— 103 (= 1024,000, the binary round number closest to thousand).
Origin of mega
From Ancient Greek Î¼ÎÎ³Î±Ï‚ (megas, “great, large, mighty"), from Proto-Indo-European *meÇµhâ‚‚s (“great"). Cognate with Latin magnus, and with Germanic words: Gothic ðŒ¼ðŒ¹ðŒºðŒ¹ðŒ»ðƒ (mikils), Old English micel, Middle English muchel, English much, Old High German mihhil, Old Norse mikill, Danish meget.