Search the Dictionary

Not dissoluble; not capable of being dissolved, melted, or liquefied; insoluble; as few substances are indissoluble by heat, but many are indissoluble in water. Boyle.

Incapability or difficulty of being fused, melted, or dissolved; as, the infusibility of carbon.

Not fusible; incapble or difficalt of fusion, or of being dissolved or melted. Sir T. Browne. The best crucibles are made of Limoges earth, which seems absolutely infusible. Lavoisier (Trans. ).

or welcome. Intrusive rocks (Geol.), rocks which have been forced, while in a plastic or melted state, into the cavities or between the cracks or layers of other rocks. The term is sometimes used as equivalent to plutonic rocks. It is then contrasted with effusive or volcanic rocks. -- In*tru"sive*ly, adv. -- In*tru…

up under the action of heat, as before the blowpipe. In a higher heat, it intumesces, and melts into a yellowish black mass. Kirwan.

A workman's name for the graphite which forms incidentally in iron smelting.

An iron bar used for tapping a melting furnace. Knight. Lancet arch (Arch.), a pointed arch, of which the width, or span, is narrow compared with the height. -- Lancet architecture, a name given to a style of architecture, in which lancet arches are common; -- peculiar to England and 13th century. -- Lancet fish. (Zo…

The fat of swine, esp. the internal fat of the abdomen; also, this fat melted and strained. Lard oil, an illuminating and lubricating oil expressed from lard. -- Leaf lard, the internal fat of the hog, separated in leaves or masses from the kidneys, etc.; also, the same melted.

The melted rock ejected by a volcano from its top or fissured sides. It flows out in streams sometimes miles in length. It also issues from fissures in the earth's surface, and forms beds covering many square miles, as in the Northwestern United States.

Capable of being melted.

To melt; to become liquid. [Obs.] Woodward.

To convert from a solid form to that of a liquid; to melt; to dissolve; and technically, to melt by the sole agency of heat.

Tending to become liquid; inclined to melt to melt; melting.

The act of discharging missiles or pouring burning or melted substances upon assailants through such apertures.

A partly reduced copper sulphide, obtained by alternately roasting and melting copper ore in separating the metal from associated iron ores, and called coarse metal, fine metal, etc., according to the grade of fineness. On the exterior it is dark brown or black, but on a fresh surface is yellow or bronzy in color.…

n produced by the excessive use of mercury, or by exposure to its fumes, as in mining or smelting.

etals, comprehending the whole process of separating them from other matters in the ore, smelting, refining, and parting them; sometimes, in a narrower sense, only the process of extracting metals from their ores.

ool, a fibrous wool-like material, made by blowing a powerful jet of air or steam through melted slag. It is a poor conductor of heat.

A process, invented by P. Ostberg, for producing malleable iron castings by melting wrought iron, to which from 0.05 to 0.1 per cent of aluminium is added to lower the melting point, usually in a petroleum furnace, keeping the molten metal at the bubbling point until it becomes quiet, and then pouring the molten metal…

ng.] Modeling plane, a small plane for planing rounded objects. -- Modeling wax, beeswax melted with a little Venice turpentine, or other resinous material, and tinted with coloring matter, usually red, -- used in modeling.