(written as mega-)large.
(written as mega-)1,048,576 (equal to 220) and used only in computing and electronic related applications
(written as mega-)A metric prefix representing 106, which is equal to a million. For instance, 1 megahertz is equal to 106 Hz, or 1,000,000 Hz. When referring to binary quantities, such as bits and bytes, it is equal to 220, or 1,048,576, although this is frequently rounded to 1,000,000. To avoid any confusion, the prefix mebi- may be used when dealing with binary quantities. Its abbreviation is M.
(written as mega-)one million, or 106
- adjective enormous, hugely successful, great, wonderful. A popular teenage buzzword since the mid-1980s, by the end of the decade mega had penetrated adult speech, in particular journalese. In origin it was an adaptation by black American youth of the fashionable late-1970s prefix ‘mega-’ into an independent adjective.