mega-, meg-

(Greek: large, great, big, powerful)

When measuring in the metric [decimal] system, it means a million [U.S.] or millionfold [U.K.]: 106 [1 000 000]. The metric symbol for mega- is M.

megathymos
High-minded.
megaton
megavitamin
A dose of a vitamin, or vitamins, vastly exceeding the amount recommended, or required, for nutritional balance.
megavolt
A unit of electricity equivalent to one million volts.
megavoltage
In radiation therapy, voltage greater than one megavolt.
megawatt
megazooid
Large animals.
megohm

Related "big, large, great" words: grand-; macro-; magni-; major-; maxi-; megalo-.

Related "metric" families: yotta; zetta; exa; peta; tera; giga; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.