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he construction of such defenses, in general, when of this character. See Illusts. of Battlement and Castle.

more or less complex, consisting of a combination of moving parts, or simple mechanical elements, as wheels, levers, cams, etc., with their supports and connecting framework, calculated to constitute a prime mover, or to receive force and motion from a prime mover or from another machine, and transmit, modify, and app…

A light silver-white metallic element, malleable and ductile, quite permanent in dry air but tarnishing in moist air. It burns, forming (the oxide) magnesia, with the production of a blinding light (the so-called magnesium light) which is used in signaling, in pyrotechny, or in photography where a strong actinic illumi…

in the arrangement of iron filings between the poles of a powerful magnet. -- Magnetic elements. (a) (Chem. Physics) Those elements, as iron, nickel, cobalt, chromium, manganese, etc., which are capable or becoming magnetic. (b) (Physics) In respect to terrestrial magnetism, the declination, inclination, and intensit…

y photography or otherwise, the states and variations of any of the terrestrial magnetic elements.

es; also, less frequently, an instrument for determining any of the terrestrial magnetic elements, as the dip and declination.

To compensate; to make good; as, to make up a loss. (f) To adjust, or to arrange for settlement; as, to make up accounts. (g) To dress and paint for a part, as an actor; as, he was well made up. -- To make up a face, to distort the face as an expression of pain or derision. -- To make up one's mind, to reach a mental…

ing manly excellence of any kind. Shak. This was the noblest Roman of them all . . . the elements So mixed in him that Nature might stand up And say to all the world "This was a man! Shak.

An element obtained by reduction of its oxide, as a hard, grayish white metal, fusible with difficulty, but easily oxidized. Its ores occur abundantly in nature as the minerals pyrolusite, manganite, etc. Symbol Mn. Atomic weight 54.8.

Of, pertaining to, designating, those compounds of manganese in which the element has a lower valence as contrasted with manganic compounds; as, manganous oxide. Manganous acid, a hypothetical compound analogous to sulphurous acid, and forming the so-called manganites.

ield of rope, wood, or metal, which is sometimes used for the protection of sappers or riflemen while attacking a fortress, or of gunners at embrasures; -- now commonly written mantlet.

, knots of white ribbons, or bunches of white flowers, worn at weddings. -- Marriage settlement (Law), a settlement of property in view, and in consideration, of marriage.

The metallic element iron, the symbol of which was the same as that of the planet Mars. [Archaic] Chaucer. Mars brown, a bright, somewhat yellowish, brown.

tter; not spiritual; corporeal; physical; as, material substance or bodies. The material elements of the universe. Whewell.

tuent substance; material; the material or substantial part of anything; the constituent elements of conception; that into which a notion may be analyzed; the essence; the pith; the embodiment. He is the matter of virtue. B. Jonson.

An implement for digging and grubbing. The head has two long steel blades, one like an adz and the other like a narrow ax or the point of a pickax. 'T is you must dig with mattock and with spade. Shak.

of philosophy and war. Addison. Love is a medley of endearments, jars, Suspicions, reconcilements, wars. W. Walsh.

from, mercury; containing mercury; -- said of those compounds of mercury into which this element enters in its lowest proportion. Mercuric chloride, corrosive sublimate. See Corrosive.

A metallic element mostly obtained by reduction from cinnabar, one of its ores. It is a heavy, opaque, glistening liquid (commonly called quicksilver), and is used in barometers, thermometers, ect. Specific gravity 13.6. Symbol Hg (Hydrargyrum). Atomic weight 199.8. Mercury has a molecule which consists of only one ato…

en one has the power to inflict it; compassionate treatment of an offender or adversary; clemency. Examples of justice must be made for terror to some; examples of mercy for comfort to others. Bacon.