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.
megagauss
megagnathia
megagram
A unit of mass equal to 1,000,000 grams. Symbol: Mg.
megahertz
megajoule
megalaesthete, megalesthete
A giant sensory-nerve ending in Mollusca (such as oysters, snails, squids, and octopi), thought to be photosensitive.
Megalansaurus
A reptile, not a dinosaur, from the Late Triassic period.
megalencephaly
A condition in which there is an abnormally large, heavy, and usually malfunctioning brain. By definition, the brain weight is greater than average for the age and sex of the infant or child. Head enlargement may be evident at birth or the head may become abnormally large in the early years of life; also called macrencephaly.
megalesthetes, megalaesthetes
Sensory organs, sometimes in the form of eyes; such as, in Amphineura; a division of Mollusca remarkable for the bilateral symmetry of the organs and the arrangement of the nerves.
Mollusca include snails, slugs, clams, octopuses, and squids.
megalgia
Very severe pain.
megalith
A structure or arrangement of large stone slabs; especially, those found in northern and western Europe from the Mesolithic period; for example, Stonehenge.
megallantoid
Having a large allantois; an animal so characterized.
Megalneusaurus
A “great-swimming lizard” from Late Jurassic Nouth America (Wyoming). Named by W. C. Knight in 1895.
megameter
meganthropus
The name given to a large-toothed hominid of the Djetis deposits of central Java, Indonesia, that have been related to the Astralopithecines or to Homo erectus or Homo habilis. They are known only by mandible fragments.
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.
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