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Webster 1913 Edition

Bismuth

Bis′muth

,
Noun.
[Ger.
bismuth
,
wismuth
: cf. F.
bismuth
.]
(Chem.)
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 507° Fahr., being easily fused in the flame of a candle. It is found in a native state, and as a constituent of some minerals. Specific gravity 9.8. Atomic weight 207.5. Symbol Bi.
☞ Chemically, bismuth (with arsenic and antimony is intermediate between the metals and nonmetals; it is used in thermo-electric piles, and as an alloy with lead and tin in the fusible alloy or metal. Bismuth is the most diamagnetic substance known.
Bismuth glance
,
bismuth sulphide; bismuthinite.
–
Bismuth ocher
,
a native bismuth oxide; bismite.

Webster 1828 Edition

Bismuth

BIS'MUTH

,
Noun.
s as z. A metal of a yellowish or reddish white color, and a lamellar texture. It is somewhat harder than lead, and scarcely, of at all, malleable, being so brittle as to break easily under the hammer, and it is reducible to powder. Its internal face or fractrue exhibits large shining plates, variously disposed. It melts at 476 degrees Fahr. and may be fused in the flame of a candle. It is often found in a native state, crystallized in rhombs or octahedrons, or in the form of dendrites, or thin lamens investing the ores of other metals, particularly cobalt.

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