regulus of antimony

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• regulus of antimony — noun commercially pure metallic antimony …  

• Antimony regulus — or antimony metal is a partially purified form of the element antimony. In modern commerce, it typically contains 0.4% to 1.0% of impurities, which typically include primarily arsenic, and smaller amounts of sulfur, zinc and iron. Selenium as an… …   Wikipedia

• Regulus — Regulus1 [reg′yə ləs] n. [ModL < L, dim. of rex, a king: see RIGHT] 1. a multiple star, the brightest star in the constellation Leo: magnitude, 1.4 2. pl. reguluses or reguli [reg′yəlī΄] [r ] Chem. Metallurgy 3. a) …   English World dictionary

• antimony — [15] Antimony, from medieval Latin antimōnium, was used by alchemists of the Middle Ages for ‘stibnite’, the mineral from which antimony is obtained, and for ‘stibium’, antiphon 28 or ‘black antimony’, a heated and powdered version of the mineral …   The Hutchinson dictionary of word origins

• antimony — [15] Antimony, from medieval Latin antimōnium, was used by alchemists of the Middle Ages for ‘stibnite’, the mineral from which antimony is obtained, and for ‘stibium’, or ‘black antimony’, a heated and powdered version of the mineral used for… …   Word origins

• regulus — [ rɛgjʊləs] noun (plural reguluses or reguli lʌɪ, li:) Chemistry, archaic a metallic form of a substance, obtained by smelting or reduction. Origin C16: from L., dimin. of rex, reg king ; orig. as regulus of antimony, appar. so named because of… …   English new terms dictionary

• Regulus (disambiguation) — Regulus is a star.Regulus may also mean: * Saint Regulus, early Christian saint, purported to have brought the relics of St. Andrew to Scotland * Marcus Atilius Regulus, a Roman consul ** Regulus , a story named for the consul, in Rudyard Kipling …   Wikipedia

• Regulus — Reg u*lus ( l?s), n.; pl. E. {Reguluses} ( ?z), L. {Reguli} ( l?). [L., a petty king, prince, dim. of rex, regis, a king: cf. F. r[ e]gule. See {Regal}.] 1. A petty king; a ruler of little power or consequence. [1913 Webster] 2. (Chem. & Metal.)… …   The Collaborative International Dictionary of English

• antimony regulus — noun : impure antimony made by smelting antimony ore …   Useful english dictionary

• regulus — /reg yeuh leuhs/, n., pl. reguluses, reguli / luy /. 1. (cap.) Astron. a first magnitude star in the constellation Leo. 2. Metall. a. the metallic mass that forms beneath the slag at the bottom of the crucible or furnace in smelting ores. b. an… …   Universalium

• regulus — noun Etymology: New Latin, from Latin, petty king, from reg , rex king more at royal Date: 1559 1. capitalized a first magnitude star in the constellation Leo 2. [Medieval Latin, metallic antimony, from Latin] the more or less impure mass of… …   New Collegiate Dictionary