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.

Megachiroptera
Fruit bats.
megacosm
The great world or that part of the universe which is exterior to man; as contrasted with microcosm, or mankind.
megacurie
megacycle (s) (noun), megacycles (pl)
megadactyl
Characterized by an abnormal enlargement of one or more digits (fingers or toes).
megadactylia
An abnormal size of one or more digits (fingers and/or toes).
megadactylism
Relating to an excessive size of one or more fingers and/or toes.
megadactyly
A condition characterized by the enlargement of one or more digits (fingers or toes).
megaderm
megadont
megadontic
megadontism
megadyne
megaelectron, MeV
1. One million electron volts.
2. A unit of energy commonly used in nuclear and particle physics, equal to the energy acquired by an electron in falling through a potential of 106 volts.
megaelectronvolt, megaelectron volt, MeV
A unit of energy commonly used in nuclear and particle physics, equal to the energy acquired by an electron in falling through a potential of 1,000,000 volts.

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.