from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A metallic element having four allotropic forms, the most common of which is a hard, extremely brittle, lustrous, silver-white, crystalline material. 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 630.5°C; boiling point 1,380°C; specific gravity 6.691; valence 3, 5. See Table at element.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A chemical element (symbol Sb) with an atomic number of 51. The symbol is derived from Latin stibium.
- n. The alloy stibnite
from the GNU version of the Collaborative International Dictionary of English
- n. An elementary substance, resembling a metal in its appearance and physical properties, but in its chemical relations belonging to the class of nonmetallic substances. Atomic weight, 120. Symbol, Sb.
from The Century Dictionary and Cyclopedia
- n. Chemical symbol, Sb (Latin stibium); atomic weight, 120. A metal of a white color and bright luster which does not readily tarnish, having a specific gravity of 6.7, crystallizing in the rhombohedral system, and in the mass ordinarily showing a crystalline structure and highly perfect cleavage.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite
Middle English antimonie, from Medieval Latin antimōnium, perhaps from Arabic al-'iṯmid : al-, the + 'iṯmid, antimony (perhaps from Greek stimmi).(American Heritage® Dictionary of the English Language, Fourth Edition)
From Medieval Latin antimonium attested in the eleventh century; see also here. (Wiktionary)