Meg- (?), Meg"a (?), Meg"a*lo- (?). [Gr. me`gas, gen. mega`loy, great.]

Combining forms signifying: (a) Great, extended, powerful; as, megascope, megacosm.

(b) Metric System, Elec., Mech., etc.

A million times, a million of; as, megameter, a million meters; megafarad, a million farads; megohm, a million ohms

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© Webster 1913.

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