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flat, wind instrument of music, in which the notes are produced by the vibration of free metallic reeds.

oard, in which the sound, which resembled the oboe, was produced by the vibration of thin metallic plates, acted upon by blowing through a tube.

es are produced by forcing air by means of a bellows so as to cause the vibration of free metallic reeds. It is now made with one or two keyboards, and has pedals and stops.

pin, while the other passes over a staple, and is fastened by a padlock or a pin; also, a metallic hook for fastening a door.

A horizontal dislocation in a metallic lode, taking place at an intersection with another lode.

e or barite, -- so called because of its high specific gravity as compared with other non-metallic minerals.

A highly exhausted glass tube with metallic electrodes nearly in contact so as to exhibit the insulating effects of a vacuum. It was used by the German physicist W. Hittorf (b. 1824).

Meteoric iron; a meteorite consisting of metallic iron without stony matter.

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.

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

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.

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…

A nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. Symbol I. Atomic weight 126.5. If heated, iodine volatilizes in beautiful violet vapors.…

A rare metallic element, of the same group as platinum, which it much resembles, being silver-white, but harder, and brittle, and indifferent to most corrosive agents. With the exception of osmium, it is the heaviest substance known, its specific gravity being 22.4. Symbol Ir. Atomic weight 192.5.

The native compound of iridium and osmium. It is found in flattened metallic grains of extreme hardness, and is often used for pointing gold pens.

The most common and most useful metallic element, being of almost universal occurrence, usually in the form of an oxide (as hematite, magnetite, etc.), or a hydrous oxide (as limonite, turgite, etc.). It is reduced on an enormous scale in three principal forms; viz., cast iron, steel, and wrought iron. Iron usually app…

A steel-gray mineral, of metallic luster, commonly fibrous massive. It is a sulphide of antimony and lead, with a little iron.

To cause to give a sharp metallic sound as a little bell, or as coins shaken together; to tinkle. The bells she jingled, and the whistle blew. Pope.

. -- Junk ring. (a) A packing of soft material round the piston of a steam engine. (b) A metallic ring for retaining a piston packing in place; (c) A follower. -- Junk shop, a shop where old cordage, and ship's tackle, old iron, old bottles, old paper, etc., are kept for sale. -- Junk vat (Leather Manuf.), a large v…

A metallic vessel, with a wide mouth, often without a cover, used for heating and boiling water or other liguids. Kettle pins, ninepins; skittles. [Obs.] Shelton. -- Kettle stitch (Bookbinding), the stitch made in sewing at the head and tail of a book. Knight.