chlorine


chlorine
1. A greenish, toxic, gaseous element; atomic no. 17, atomic wt. 35.4527; a halogen used as a disinfectant and bleaching agent in the form of hypochlorite or of c. water, because of its oxidizing power. One of the bioelements. 2. The molecular form of c. (1), Cl2 (dichloride). [G. chloros, greenish yellow]

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chlo·rine 'klō(ə)r-.ēn, 'klȯ(ə)r-, -ən n a halogen element that is isolated as a heavy greenish yellow gas of pungent odor and is used esp. as a bleach, oxidizing agent, and disinfectant in water purification symbol Cl see ELEMENT (table)

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n.
an extremely pungent gaseous element with antiseptic and bleaching properties. It is widely used to sterilize drinking water and purify swimming pools. In high concentrations it is toxic; it was used in World War I as a poison gas in the trenches. Symbol: Cl.

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chlo·rine (Cl) (klorґēn) [Gr. chlōros green] a yellowish green, gaseous element, of suffocating odor; atomic number 17, atomic weight 35.453, specific gravity 1.56. It is a disinfectant, decolorant, and irritant poison. It is used for disinfecting, fumigating, and bleaching, either in an aqueous solution or in the form of chlorinated lime.

Medical dictionary. 2011.

Look at other dictionaries:

  • Chlorine-37 — Full table General Name, symbol Chlorine 37,37Cl Neutrons 20 Protons 17 …   Wikipedia

  • Chlorine-36 — Full table General Name, symbol Chlorine 36,36Cl Neutrons 19 Protons 17 …   Wikipedia

  • Chlorine — Chlo rine, n. [Gr. ? pale green, greenish yellow. So named from its color. See {Yellow}.] (Chem.) One of the elementary substances, commonly isolated as a greenish yellow gas, two and one half times as heavy as air, of an intensely disagreeable… …   The Collaborative International Dictionary of English

  • Chlorine — (Chem.), so v. w. Chlor …   Pierer's Universal-Lexikon

  • Chlorīne — Chlorīne, veralteter Name des Chlors; s. auch Resorcin …   Meyers Großes Konversations-Lexikon

  • chlorine — Symbol: Cl Atomic number: 17 Atomic weight: 35.453 Halogen element. Poisonous greenish yellow gas. Occurs widely in nature as sodium chloride in seawater. Reacts directly with many elements and compounds, strong oxidizing agent. Discovered by… …   Elements of periodic system

  • chlorine — nonmetallic element, coined 1810 by English chemist Sir Humphry Davy (1778 1829) from Gk. khloros pale green (see CHLOE (Cf. Chloe)) + chemical suffix INE (Cf. ine) (2). Named for its color. Discovered 1774, but known at first as oxymuriatic acid …   Etymology dictionary

  • chlorine — ► NOUN ▪ a poisonous, irritant, pale green gaseous chemical element. ORIGIN from Greek khl ros green …   English terms dictionary

  • chlorine — [klôr′ēn΄, klôr′in] n. [< Gr chlōros, pale green (< IE * ghlō , var. of base * ghel : see YELLOW) + INE3: so named (1810) by DAVY Sir Humphry, who proved it to be an element, for its color] a greenish yellow, poisonous, gaseous chemical… …   English World dictionary

  • Chlorine — This article is about the chemical element. For the bleach, see Sodium hypochlorite. For the upcoming film, see Chlorine (film). sulfur ← chlorine → argon F ↑ Cl ↓ Br …   Wikipedia

  • chlorine — chlorinous, adj. /klawr een, in, klohr /, n. a halogen element, a heavy, greenish yellow, incombustible, water soluble, poisonous gas that is highly irritating to the respiratory organs, obtained chiefly by electrolysis of sodium chloride brine:… …   Universalium


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