Megampère noun [ Mega- + ampère .] (Electricity) A million ampères.

Megaphone noun [ Mega- + Greek 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 noun [ New Latin , from Greek me`gas great + fyto`n plant.] (Paleon.) An extinct genus of tree ferns with large, two-ranked leaves, or fronds.

Megapode noun [ Mega- + Greek poy`s , podo`s , foot.] (Zoology) 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 noun [ New Latin , from Greek me`gas great + po`lis city.] A metropolis. [ Obsolete] Sir T. Herbert.

Megarian, Megaric adjective 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 noun [ Mega- + -scope : confer French 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]

Megascopic, Megascopical adjective
1. (Physics) Of or pertaining to the megascope or the projection upon a screen of images of opaque objects. (b) Enlarged or magnified; -- said of images or of photographic pictures, etc.

2. (Geol.) Large enough to be seen; -- said of the larger structural features and components of rocks which do not require the use of the microscope to be perceived. Opposed to microscopic .

Megaseme adjective [ Mega- + Greek ... sing, mark: confer French mégasème .] (Anat.) Having the orbital index relatively large; having the orbits narrow transversely; -- opposed to microseme .

Megass, Megasse noun See Bagasse .

Megasthene noun [ Greek me`gas great + sthe`nos strength.] (Zoology) One of a group which includes the higher orders of mammals, having a large size as a typical characteristic.

Megasthenic adjective (Zoology) Having a typically large size; belonging to the megasthenes.

Megastome noun [ Greek me`gas great + sto`ma mouth.] (Zoology) One of a group of univalve shells, having a large aperture or mouth.

Megathere Meg`a*the"ri*um noun [ New Latin megatherium , from Greek 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.

Megatheroid noun [ Megatherium + -oid .] (Paleon.) One of a family of extinct edentates found in America. The family includes the megatherium, the megalonyx, etc.

Megavolt noun [ Mega- + volt .] (Electricity) One of the larger measures of electro-motive force, amounting to one million volts.

Megaweber noun [ Mega- + weber .] (Electricity) A million webers.

Megerg noun [ Mega- + erg .] (Physics) One of the larger measures of work, amounting to one million ergs; -- called also megalerg .

Megilp, Megilph noun (Paint.) A gelatinous compound of linseed oil and mastic varnish, used by artists as a vehicle for colors. [ Written also magilp , and magilph .]

Megohm noun [ Mega- + ohm .] (Electricity) One of the larger measures of electrical resistance, amounting to one million ohms.

Megrim noun [ Middle English migrim , migrene , French migraine , Late Latin hemigrania , Latin hemicrania , hemicranium , Greek "hmikrani`a ; "hmi- half + krani`on skull. See Hemi- and Cranium , and confer Hemicrania , Migraine .]
1. A kind of sick or nervous headache, usually periodical and confined to one side of the head.

2. A fancy; a whim; a freak; a humor; esp., in the plural, lowness of spirits.

These are his megrims , firks, and melancholies.

Ford.

3. plural (Far.) A sudden vertigo in a horse, succeeded sometimes by unconsciousness, produced by an excess of blood in the brain; a mild form of apoplexy. Youatt.

Megrim noun [ Etymol. uncertain.] (Zoology) The British smooth sole, or scaldfish ( Psetta arnoglossa ).

Meibomian adjective (Anat.) Of, pertaining to, or discovered by, Meibomius .

Meibomian glands , the slender sebaceous glands of the eyelids, which discharge, through minute orifices in the edges of the lids, a fatty secretion serving to lubricate the adjacent parts.

Meine transitive verb See Menge .

Meine, Meiny noun [ Old French maisniée , maisnie . See Menial .]
1. A family, including servants, etc.; household; retinue; train. [ Obsolete] Chaucer. Shak.

2. Company; band; army. [ Obsolete] Chaucer.

Meiocene adjective (Geol.) See Miocene .

Meionite noun [ Greek mei`wn smaller. So called in a allusion to the low pyramids of the crystals.] (Min.) A member of the scapolite group, occuring in glassy crystals on Monte Somma, near Naples.

Meiosis (mi*ō"sĭs) noun [ New Latin , from Greek mei`wsis , from meioy^n to make smaller, from mei`wn . See Meionite .] (Rhet.) Diminution; a species of hyperbole, representing a thing as being less than it really is.

Meiostemonous adjective [ Greek mei`wn smaller + ... warp, thread.] (Botany) Having fever stamens than the parts of the corolla.

Meistersinger noun [ G.] See Mastersinger .

Mekhitarist noun (Eccl. Hist.) See Mechitarist .

Melaconite noun [ Greek me`las black + ... dust.] (Min.) An earthy black oxide of copper, arising from the decomposition of other ores.

Melada Me*la"do noun [ Spanish , propast participle p. of melar to sugar, candy, from Latin mel honey. See Molasses .] A mixture of sugar and molasses; crude sugar as it comes from the pans without being drained.

Melain noun [ See Melæna .] The dark coloring matter of the liquid of the cuttlefish.

Melainotype noun See Melanotype .

Melam (mē"lăm) noun [ Confer French mélam .] (Chemistry) A white or buff-colored granular powder, C ₆ H ₉ N ₁₁ , obtained by heating ammonium sulphocyanate.

Melamine noun (Chemistry) A strong nitrogenous base, C ₃ H ₆ N ₆ , produced from several cyanogen compounds, and obtained as a white crystalline substance, -- formerly supposed to be produced by the decomposition of melam . Called also cyanuramide .

Melampode noun [ Greek melampo`dion ; of uncertain origin.] The black hellebore. [ Obsolete] Spenser.

Melampyrin, Melampyrite noun [ New Latin Melampyrum cowwheat; Greek me`las black + pyro`s wheat.] (Chemistry) The saccharine substance dulcite; -- so called because found in the leaves of cowwheat ( Melampyrum ). See Dulcite .

Melanagogue noun [ Greek me`las , -anos , black + ... leading, driving, ... to lead.] (Medicine) A medicine supposed to expel black bile or choler. [ Obsolete]

Melancholia noun [ Latin See Melancholy .] (Medicine) A kind of mental unsoundness characterized by extreme depression of spirits, ill-grounded fears, delusions, and brooding over one particular subject or train of ideas.

Melancholian noun A person affected with melancholy; a melancholic. [ Obsolete] Dr. J. Scott.

Melancholic adjective [ Latin melancholicus , Greek ...: confer French mélancholique .] Given to melancholy; depressed; melancholy; dejected; unhappy.

Just as the melancholic eye
Sees fleets and armies in the sky.

Prior.

Melancholic noun [ Obsolete]
1. One affected with a gloomy state of mind. J. Spenser.

2. A gloomy state of mind; melancholy. Clarendon.

Melancholily adverb In a melancholy manner.

Melancholiness noun The state or quality of being melancholy. Hallywell.

Melancholious adjective [ Confer Old French melancholieux .] Melancholy. [ R.] Milton.

Melancholist noun One affected with melancholy or dejection. [ Obsolete] Glanvill.

Melanæmia noun [ New Latin , from Greek me`las , -anos , black + a"i^ma blood.] (Medicine) A morbid condition in which the blood contains black pigment either floating freely or imbedded in the white blood corpuscles.

Melæna noun [ New Latin , from Greek me`las , m., me`laina , f., black.] (Medicine) A discharge from the bowels of black matter, consisting of altered blood.