Adjacent Words

mega- definitions

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Merriam Webster's

or meg- combining form Etymology: Greek, from megas large — more at much 1. a. great ; large <megaspore> b. greatly surpassing others of its kind <megahit> 2. million (10⁶) <megohm> <megacycle>

Oxford Reference Dictionary

comb. form 1 large. 2 denoting a factor of one million (10(6)) in the metric system of measurement. Usage: Abbr.: M. Etymology: Gk f. megas great

Collin's Cobuild Dictionary

1. Mega- is added to nouns that refer to units of measurement in order to form other nouns referring to units that are a million times bigger. ...a 100 megaton explosion. ...a two thousand megawatt surge in electricity. PREFIX 2. Mega- combines with nouns and adjectives in order to emphasize the size, quality, or importance of something. (INFORMAL) Now he can begin to earn the sort of mega-bucks he has always dreamed about. PREFIX [emphasis]