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.
megaparsec
megaphone, megaphonic
1. A cone-shaped device used to intensify, amplify, or direct the voice; for example, a cheerleader’s megaphone.
2. Someone who expresses or publicizes others’ opinions or ideas.
megaphonous
Having a powerful voice.
megaphyllous
megaplankton
Planktonic organisms of the largest size group, 200 mm to 2 m (including water-hyacinth, jellyfish, etc.).
megapod
megapode
megapolis
1. A chief city.
2. Variant of megalopolis.
megapterine: humpback whales
A reference to humpback whales.
megarad
megarrhine
Great-nosed; the distinctive epithet of an extinct species of rhinoceros.
megascope
megascopic
megasecond (Ms)
One Ms is equal to 11.6 days.
megaseism, megaseismic
A violent earthquake.
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.