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One of the elements; a metal of a reddish white color, crystallizing in rhombohedrons. It is somewhat harder than lead, and rather brittle; masses show broad cleavage surfaces when broken across. It melts at 507º Fahr., being easily fused in the flame of a candle. It is found in a native state, and as a constituent of…

Containing bismuth.

Of or pertaining to bismuth; containing bismuth, when this element has its higher valence; as, bismuthic oxide.

Containing bismuth.

Native bismuth sulphide; -- sometimes called bismuthite.

Of, or containing, bismuth, when this element has its lower valence.

Hydrous carbonate of bismuth, an earthy mineral of a dull white or yellowish color. [Written also bismuthite.]

A grayish green antiseptic powder, consisting of a basic iodide and gallate of bismuth, sometimes used in place of iodoform. [A Trademark]

An alloy of mercury with another metal or metals; as, an amalgam of tin, bismuth, etc.

Bismuth trioxide, or bismuth ocher.

A white-metal alloy of tin, antimony, bismuth, copper, etc. It somewhat resembles silver, and isused for table ware. Called also Britannia metal.

Any substance, as bismuth, glass, phosphorous, etc., which in a field of magnetic force is differently affected from the ordinary magnetic bodies, as iron; that is, which tends to take a position at right angles to the lines of magnetic force, and is repelled by either pole of the magnet.

a mineral, consisting chiefly of the silicate of bismuth, found at Freiberg; -- called also culytine.

aint.) (a) The purest white lead, in the form of flakes or scales. (b) The trisnitrate of bismuth. Ure.

y of different metals capable of being easily fused, especially an alloy of five parts of bismuth, three of lead, and two of tin, which melts at a temperature below that of boiling water. Ure. -- Fusible plug (Steam Boiler), a piece of easily fusible alloy, placed in one of the sheets and intended to melt and blow off…

A blackish gray mineral, a sulphide of antimony, bismuth, and lead.

in old chemistry to certain white precipitates from metallic solutions; as, magistery of bismuth. Ure.

s, and certain elements partake of both acid and basic qualities, as chromium, manganese, bismuth, etc.

hed by a long eye-pointed needle instead of by a shuttle. -- Needle ore (Min.), acicular bismuth; a sulphide of bismuth, lead, and copper occuring in acicular crystals; -- called also aikinite. -- Needle shell (Zoöl.), a sea urchin. -- Needle spar (Min.), aragonite. -- Needle telegraph, a telegraph in which the sig…

isting chiefly of copper, zinc, and nickel, with small proportions of tin, aluminium, and bismuth. Ure.