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A heavy locomotive for freight traffic, having three pairs of connected driving wheels and a two-wheeled truck. Great, or Grand, Mogul, the sovereign of the empire founded in Hindostan by the Mongols under Baber in the sixteenth century. Hence, a very important personage; a lord; -- sometimes only mogul. Dryden.…

ction acting between the molecules of bodies, and at insensible distances. -- Molecular weight (Chem.), the weight of a molecule of any gas or vapor as compared with the hydrogen atom as a standard; the sum of the atomic weights of the constituents of a molecule; thus, the molecular weight of water (H2O) is 18.…

en reduced obtained as a hard, silver-white, difficulty fusible metal. Symbol Mo. Atomic weight 95.9.

Importance, as in influence or effect; consequence; weight or value; consideration. Matters of great moment. Shak. It is an abstruse speculation, but also of far less moment and consequence of us than the others. Bentley.

Of moment or consequence; very important; weighty; as, a momentous decision; momentous affairs. -- Mo*men"tous*ly, adv. -- Mo*men"tous*ness, n.

The weight or hammer of a pile driver, that is, a very heavy mass of iron, which, being raised on high, falls on the head of the pile, and drives it into the earth; the falling weight of a drop hammer used in forging.

ke, apprehension, etc.; -- said of size, appearance, color, sound, etc.; as, a monstrous height; a monstrous ox; a monstrous story.

An acid elevator, as a tube through which acid is forced to some height in a sulphuric acid manufactory.

on is 2,160 miles, its mean distance from the earth is 240,000 miles, and its mass is one eightieth that of the earth. See Lunar month, under Month. The crescent moon, the diadem of night. Cowper.

uspended from one by a chain. -- Morning watch (Naut.), the watch between four A. M. and eight A. M..

A person whose intellectual development proceeds normally up to about the eighth year of age and is then arrested so that there is little or no further development.

A large flatboat, used in the West Indies for taking freight from shore to ship.

thout water, fuel, or accumulators necessary for propulsion) not more than three hundred weight (336 lbs.).

barometer, a portable barometer, adapted for safe transportation, used in measuring the heights of mountains. -- Mountain beaver (Zoöl.), the sewellel. -- Mountain blue (Min.), blue carbonate of copper; azurite. -- Mountain cat (Zoöl.), the catamount. See Catamount. -- Mountain chain, a series of contiguous mounta…

ian (M. Ensete), the Philippine Island (M. textilis, which yields Manila hemp), and about eighteen other species. See Illust. of Banana and Plantain.

Muscular strength or development; as, to show one's muscle by lifting a heavy weight. [Colloq.]

A metric weight, consisting of ten thousand grams or ten kilograms. It is equal to 22.046 lbs. avoirdupois.

genus Myrtus, especially Myrtus communis. The common myrtle has a shrubby, upright stem, eight or ten feet high. Its branches form a close, full head, thickly covered with ovate or lanceolate evergreen leaves. It has solitary axillary white or rosy flowers, followed by black several-seeded berries. The ancients consid…

Left aground on the height of a spring tide, so that it will not float till the next spring tide; -- called also beneaped.

g, the horizontal cross timber which goes through the wall or a pier, and upon which the weight of the wall rests, when a building is shored up to allow of alterations in the lower part. -- Needle furze (Bot.), a prickly leguminous plant of Western Europe; the petty whin (Genista Anglica). -- Needle gun, a firearm lo…