Antimony Definition

ăntə-mōnē
noun
A metallic element having two allotropic forms: a hard, extremely brittle, lustrous, bluish-white, crystalline material and a gray amorphous form. It is used in a wide variety of alloys, especially with lead in battery plates, and in the manufacture of flame-proofing compounds, paint, semiconductor devices, and ceramic products. Atomic number 51; atomic weight 121.76; melting point 630.63°C; boiling point 1,587°C; specific gravity 6.68; valence 3, 5.
American Heritage
A silvery-white, brittle, nonmetallic chemical element of crystalline structure, found only in combination: used in alloys with metals to harden them and increase their resistance to chemical action; compounds of antimony are used in medicines, pigments, and matches, and for fireproofing: symbol, Sb; at. no. 51
Webster's New World

A chemical element (symbol Sb) with an atomic number of 51. The symbol is derived from Latin stibium.

Wiktionary

The alloy stibnite.

Wiktionary
Synonyms:
  • atomic number 51
  • sb

Origin of Antimony

  • Middle English antimonie from Medieval Latin antimōnium perhaps from Arabic al-’iṯmid al- the ’iṯmid antimony (perhaps from Greek stimmi stibine)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Medieval Latin antimonium attested in the eleventh century; see also here.

    From Wiktionary

Antimony Sentence Examples

  • Antimony is widely diffused throughout Australia, and is sometimes found associated with gold.

  • Gold, the most perfect metal, had the symbol of the Sun, 0; silver, the semiperfect metal, had the symbol of the Moon, 0j; copper, iron and antimony, the imperfect metals of the gold class, had the symbols of Venus Mars and the Earth tin and lead, the imperfect metals of the silver class, had the symbols of Jupiter 94, and Saturn h; while mercury, the imperfect metal of both the gold and silver class, had the symbol of the planet,.

  • Leone to the west of Cagliari, and antimony and other metals near Lanusei, but in smaller quantities than in the Iglesias district, so that comparatively little mining has as yet been done there.

  • His first original paper (1799) was on the compounds of arsenic and antimony with oxygen and sulphur, and of his other separate investigations one of the most important was that on the compound ethers, begun in 1807.

  • To obtain pure sulphuretted hydrogen the method generally adopted consists in decomposing precipitated antimony sulphide with concentrated hydrochloric acid.

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