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er with a ground, as a copper plate for etching (see Ground, n., 5); or as paper or other materials with a uniform tint as a preparation for ornament.

, coarse mortar, used for pouring into the joints of masonry and brickwork; also, a finer material, used in finishing the best ceilings. Gwilt.

erm used for lace of different kinds; most properly for a lace of large pattern and heavy material which has no ground or mesh, but has the pattern held together by connecting threads called bars or brides.

sively used for many economical purposes. The Mimusops globosa of Guiana also yields this material.

A mixing box materials. Harbor dues (Naut.), fees paid for the use of a harbor. -- Harbor seal (Zoöl.), the common seal. -- Harbor watch, a watch set when a vessel is in port; an anchor watch.

t, or separated into parts; not yielding to pressure; firm; solid; compact; -- applied to material bodies, and opposed to soft; as, hard wood; hard flesh; a hard apple.

That which hardens, as a material used for converting the surface of iron into steel.

water. This process gives an armor plate a thick surface of extreme hardness supported by material gradually decreasing in hardness to the unaltered soft steel at the back.

A covering for the head; esp., one with a crown and brim, made of various materials, and worn by men or women for protecting the head from the sun or weather, or for ornament. Hat block, a block on which hats are formed or dressed. -- To pass around the hat, to take up a collection of voluntary contributions, which ar…

Material for the heads of casks, barrels, etc.

The floor of a furnace, on which the material to be heated lies, or the lowest part of a melting furnace, into which the melted material settles. Hearth ends (Metal.), fragments of lead ore ejected from the furnace by the blast. -- Hearth money, Hearth penny Etym: [AS. heoredhpening], a tax formerly laid in England on…

the root of the elecampane (Inula helenium), and extracted as a white crystalline or oily material, with a slightly bitter taste.

A helmet-shaped hat, made of cork, felt, metal, or other suitable material, worn as part of the uniform of soldiers, firemen, etc., also worn in hot countries as a protection from the heat of the sun.

A screen of boards inclosing a house and materials while builders are at work. [Eng.] Posted on every dead wall and hoarding. London Graphic.

The philosophical system of Thomas Hobbes, an English materialist (

Wholly solid; -- said of a barometer constructed of solid materials to show the variations of atmospheric pressure without the use of liquids, as the aneroid.

Sameness 9kind or nature; uniformity of structure or material.

A piece of metal, or other hard material, formed or bent into a curve or at an angle, for catching, holding, or sustaining anything; as, a hook for catching fish; a hook for fastening a gate; a boat hook, etc.

A circle, or combination of circles, of thin whalebone, metal, or other elastic material, used for expanding the skirts of ladies' dresses; crinoline; -- used chiefly in the plural. Though stiff with hoops, and armed with ribs of whale. Pope.

e, usually funnel-shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden box with its trough through which grain passes into a mill by joining or shaking, or a funnel through which fuel passes into a furnace, or coal, etc., into a car.