Megalosaur
(Meg"a*lo*saur` ||Meg`a*lo*sau"rus) n. [NL. megalosaurus, fr. Gr. me`gas, mega`lh, great
+ say^ros lizard: cf. F. mégalosaure.] (Paleon.) A gigantic carnivorous dinosaur, whose fossil remains
have been found in England and elsewhere.
Megameter
(Me*gam"e*ter) n. [Mega- + -meter: cf. F. mégamètre.] (Physics)
1. An instrument for determining longitude by observation of the stars.
2. A micrometer. [R.] Knight.
Megameter
(Meg"a*me`ter, Meg"a*me`tre) n. [Mega- + meter, metre, n., 2.] In the metric system,
one million meters, or one thousand kilometers.
Megampère
(Meg`am`père") n. [Mega- + ampère.] (Elec.) A million ampères.
Megaphone
(Meg"a*phone) n. [Mega- + Gr. fwnh` voice.] A device to magnify sound, or direct it
in a given direction in a greater volume, such as a very large funnel used as an ear trumpet or as a
speaking trumpet.
Megaphyton
(||Me*gaph"y*ton) n. [NL., from Gr. me`gas great + fyto`n plant.] (Paleon.) An extinct
genus of tree ferns with large, two-ranked leaves, or fronds.
Megapode
(Meg"a*pode) n. [Mega- + Gr. poy`s, podo`s, foot.] (Zoöl.) Any one of several species of
large-footed, gallinaceous birds of the genera Megapodius and Leipoa, inhabiting Australia and other
Pacific islands. See Jungle fowl (b) under Jungle, and Leipoa.
Megapolis
(Me*gap"o*lis) n. [NL., fr. Gr. me`gas great + po`lis city.] A metropolis. [Obs.] Sir T.
Herbert.
Megarian
(Me*ga"ri*an Me*gar"ic) a. Belonging, or pertaining, to Megara, a city of ancient Greece.
Megarian, or Megaric, school, a school of philosophy established at Megara, after the death of Socrates,
by his disciples, and remarkable for its logical subtlety.
Megascope
(Meg"a*scope) n. [Mega- + -scope: cf. F. mégascope.] A modification of the magic lantern,
used esp. for throwing a magnified image of an opaque object on a screen, solar or artificial light being
used. [archaic]
Megaseme
(Meg"a*seme) a. [Mega- + Gr. sing, mark: cf. F. mégasème.] (Anat.) Having the orbital
index relatively large; having the orbits narrow transversely; — opposed to microseme.
Megass
(Me"gass" Me*gasse"), n. See Bagasse.
Megasthene
(Meg"as*thene) n. [Gr. me`gas great + sthe`nos strength.] (Zoöl.) One of a group which
includes the higher orders of mammals, having a large size as a typical characteristic.
Megasthenic
(Meg`as*then"ic) a. (Zoöl.) Having a typically large size; belonging to the megasthenes.
Megastome
(Meg"a*stome) n. [Gr. me`gas great + sto`ma mouth.] (Zoöl.) One of a group of univalve
shells, having a large aperture or mouth.
Megathere
(Meg"a*there ||Meg`a*the"ri*um) n. [NL. megatherium, fr. Gr. me`gas great + thyri`on
beast.] (Paleon.) An extinct gigantic quaternary mammal, allied to the ant-eaters and sloths. Its remains
are found in South America.
