mega-
mega- • comb. form 1. very large in size, extent, capacity, or amount: megalith.2. (in units of measurement) denoting a factor of one million (106): megahertz megadeath.3. Comput. denoting a factor of 220.
mega-
mega- (symbol: M) A prefix indicating a multiple of one million (106), as in megahertz and megawatt. When the binary number system is used in a structure or process (as in semiconductor RAM or ROM), the prefix then indicates a multiple of 220, i.e. 1 048 576, as in megabyte or megabit. The context usually clarifies which meaning is intended, although being numerically close the meanings are often considered more or less equivalent.
mega-
mega-, before a vowel meg-, comb. form of Gr. mégas great (see MAGNITUDE), as in megalithic, megaphone, megatherium XIX; similarly megal(o-), the Gr. stem, as in megalomania XIX.
mega-
mega-
1. A prefix denoting large size; e.g. meganucleus, megasporangium.
2. Symbol M. A prefix used in the metric system to denote one million times. For example, 106 volts = 1 megavolt (MV).
1. A prefix denoting large size; e.g. meganucleus, megasporangium.
2. Symbol M. A prefix used in the metric system to denote one million times. For example, 106 volts = 1 megavolt (MV).
mega-
mega-(M-) From the Greek megas meaning ‘great’, a prefix meaning ‘very large’. Attached to SI units, it denotes the unit × 106.
mega-
mega-(M-) From the Greek megas, meaning ‘great’, a prefix meaning ‘very large’. Attached to SI units, it denotes the unit × 106.
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