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An element possessing metallic properties in an inferior degree and not malleable, as arsenic, antimony, bismuth, molybdenum, uranium, etc. [Obs.]

of the other ingredient; -- formerly called also sesquisulphuret; as, orpiment, As2S3 is arsenic sesquisulphide.

d capable of a high degree of polish. It is found native, and also combined with sulphur, arsenic, antimony, chlorine, etc., in the minerals argentite, proustite, pyrargyrite, ceragyrite, etc. Silver is one of the "noble" metals, so-called, not being easily oxidized, and is used for coin, jewelry, plate, and a great va…

mineral of a bright metallic luster and tin-white to pale lead-gray color. It consist of arsenic and cobalt.

here are 126.4 parts of copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness.

Any one of the four substances, sulphur, sal ammoniac, quicksilver, or arsenic (or, according to some, orpiment). The four spirits and the bodies seven. Chaucer.

latilize from the solid state without apparent melting; -- said of those substances, like arsenic, benzoic acid, etc., which do not exhibit a liquid form on heating, except under increased pressure.

phur plays a part analogous to that of oxygen in an oxyacid; thus, thiosulphuric and sulpharsenic acids are sulphacids; -- called also sulphoacid. See the Note under Acid, n., 2.

, a hypothetical sulphacid of antimony (called also thioantimonic acid) analogous to sulpharsenic acid.

A salt of sulpharsenic acid.

A flattish cake or piece; as, tablets of arsenic were formerly worn as a preservative against the plague.

ckish lead-gray mineral, closely related to tetrahedrite. It is essentially a sulphide of arsenic and copper.

Consisting of four atoms; having four atoms in the molecule, as phosphorus and arsenic.

ly refined, but containing small quantities of various impurities, as copper, lead, iron, arsenic, etc.; solid tin as distinguished from tin plate; -- called also bar tin. -- Butter of tin. (Old Chem.) See Fuming liquor of Libavius, under Fuming. -- Grain tin. (Metal.) See under Grain. -- Salt of tin (Dyeing), stann…

uctile, and when beaten into thin leaves is sometimes called Dutch metal. The addition of arsenic makes white tombac. [Written also tombak, and tambac.]

A brittle mineral of a steel-gray color and metallic luster, containing antimony, arsenic, sulphur, and nickel.

The operation of expelling one substance from another by heat, as sulphur or arsenic from ores, in a muffle.

Native sulphide of arsenic, including sandarach, or realgar, and orpiment.