sodium
noun Etymology: New Latin, from English soda Date: 1807 a silver-white soft waxy ductile element of the alkali metal group that occurs abundantly in nature in combined form and is very active chemically — see element table

New Collegiate Dictionary. 2001.

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  • SODIUM — Le sodium est le plus courant des éléments alcalins. Son nom dérive de l’arabe soda , qui désignait le mélange de carbonates alcalins extrait des cendres de végétaux. Le symbole Na vient de son appellation allemande Natrium , qui dérive de… …   Encyclopédie Universelle

  • Sodium — Néon ← Sodium → Magnésium Li …   Wikipédia en Français

  • Sodium — So di*um, n. [NL., fr.E. soda.] (Chem.) A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so highly reactive that it… …   The Collaborative International Dictionary of English

  • sodium — metallic alkaline element, 1807, coined by English chemist Humphry Davy from SODA (Cf. soda); so called because the element was isolated from caustic soda (sodium hydroxide). The chemical symbol Na is from natrium, alternative name for the… …   Etymology dictionary

  • sodium — [sō′dē əm] n. [ModL: so named (1807) by DAVY Sir Humphry < SODA (because isolated from caustic soda) + IUM] 1. a soft, silver white, metallic chemical element, one of the alkali metals, having a waxlike consistency: it is found in nature only… …   English World dictionary

  • Sodium — Sodium, so v.w. Natrium …   Pierer's Universal-Lexikon

  • Sodĭum — Sodĭum, soviel wie Natrium …   Meyers Großes Konversations-Lexikon

  • Sodium — Sodium, s.v.w. Natrium (s.d.) …   Lexikon der gesamten Technik

  • Sodium — Sodĭum, s.v.w. Natrium …   Kleines Konversations-Lexikon

  • sodium — Symbol: Na Atomic number: 11 Atomic weight: 22.9898 Soft silvery reactive element belonging to group 1 of the periodic table (alkali metals). It is highly reactive, oxidizing in air and reacting violently with water, forcing it to be kept under… …   Elements of periodic system

  • sodium — ► NOUN ▪ a soft silver white reactive metallic chemical element of which common salt and soda are compounds. ORIGIN from SODA(Cf. ↑soda) …   English terms dictionary

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