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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 pliant strip of wood or metal bent in a circular form, and united at the ends, for holding together the staves of casks, tubs, etc.

harge its load by a mechanical contrivance; -- called also dumping scow. Bell and hopper (Metal.), the apparatus at the top of a blast furnace, through which the charge is introduced, while the gases are retained. -- Hopper boy, a rake in a mill, moving in a circle to spread meal for drying, and to draw it over an ope…

an ox or a ram); now applied to various elaborately wrought instruments of brass or other metal, resembling a horn in shape. "Wind his horn under the castle wall." Spenser. See French horn, under French.

A hunting watch, or one of which the crystal is protected by a metallic cover. Hunter's room, the lunation after the harvest moon. -- Hunter's screw (Mech.), a differential screw, so named from the inventor. See under Differential.

y produced in many ways, but is chiefly obtained by the action of acids (as sulphuric) on metals, as zinc, iron, etc. It is very inflammable, and is an ingredient of coal gas and water gas. It is standard of chemical equivalents or combining weights, and also of valence, being the typical monad. Symbol H. Atomic weight…

Hydrogen; -- called also in view of its supposed metallic nature. Graham.

ns. Hydrometric pendulum, a species of hydrometer consisting of a hollow ball of ivory or metal suspended by a treated from the center of a graduated quadrant, and held in a stream to measure the velocity of the water by the inclination given to the thread; a kind of current gauge.

A suffix used to denote: (a) The nonmetallic, or negative, element or radical in a binary compound; as, oxide, sulphide, chloride. (b) A compound which is an anhydride; as, glycolide, phthalide. (c) Any one of a series of derivatives; as, indogenide, glucoside, etc.

To arrange in proper order on a table of stone or metal and lock up in a chase for printing; -- said of columns or pages of type, forms, etc.

A print on paper from a wood block, metal plate, or the like. Proof impression, one of the early impressions taken from an engraving, before the plate or block is worn.

Inclosing; encircling; surrounding. The inclusive verge Of golden metal that must round my brow. Shak.

not capable of being transmuted, changed into, or exchanged for, something else; as, one metal is inconvertible into another; bank notes are sometimes inconvertible into specie. Walsh.

A rare metallic element, discovered in certain ores of zinc, by means of its characteristic spectrum of two indigo blue lines; hence, its name. In appearance it resembles zinc, being white or lead gray, soft, malleable and easily fusible, but in its chemical relation it resembles aluminium or gallium. Symbol In. Atomic…

Not ductile; incapable of being drawn into threads, as a metal; inelastic; tough.

To cover with a film; to coat thinly; as, to infilm one metal with another in the process of gilding; to infilm the glass of a mirror. [R.]

; to fashion. "The informing Word." Coleridge. Let others better mold the running mass Of metals, and inform the breathing brass. Dryden. Breath informs this fleeting frame. Prior. Breathes in our soul,informs our mortal part. Pope.

The aperture in a mold for pouring in the metal; the gate. Simmonds.

That in which metal is cast; a mold. [Obs.] And from the fire he took up his matter And in the ingot put it with merry cheer. Chaucer.

The penetrating of one rock, while in a plastic or metal state, into the cavities of another.