mega-

Prefix

Meaning

(originally) Very large, great.

In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by one million (10.) SI Symbol: M.

(computing) Multiplying the unit to which it is attached by 2 (= 1,048,576, the binary number closest to a million). Computing symbol: Mi.

(computing, marketing) Multiplying the unit to which it is attached by 2 × 5 (= 1,024,000, the binary round number closest to a million).

(slang, augmentative) Really, very, uber-, super-.

Source: en.wiktionary.org

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Examples

As of February 2002, Mega- and giga-sample per second converters are available. Source: Internet

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