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[klawr-ahyd, -id, klohr-]
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  1. a salt of hydrochloric acid consisting of two elements, one of which is chlorine, as sodium chloride, NaCl.
  2. a compound containing chlorine, as methyl chloride, CH3Cl.

Origin of chloride

First recorded in 1805–15; chlor-2 + -ide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chloride

Historical Examples

  • They walked him between them back to the door and Chloride and Sinclair went in.

    The Plunderer

    Roy Norton

  • It is then painted with chloride of zinc and soldered with the bit.

    On Laboratory Arts

    Richard Threlfall

  • The use of chloride of zinc is practically essential in this case.

    On Laboratory Arts

    Richard Threlfall

  • The iron must be filed clean and then brushed with chloride of zinc solution.

    On Laboratory Arts

    Richard Threlfall

  • The most satisfactory of these substances is chloride of calcium .

British Dictionary definitions for chloride


  1. any salt of hydrochloric acid, containing the chloride ion Cl
  2. any compound containing a chlorine atom, such as methyl chloride (chloromethane), CH 3 Cl
Derived Formschloridic (kləˈrɪdɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for chloride


"compound of chlorine and another element," 1812, coined by Sir Humphrey Davy (1778-1829) from chlorine + -ide on the analogy of oxide.

Online Etymology Dictionary, © 2010 Douglas Harper

chloride in Medicine


([object Object])
  1. A binary compound of chlorine.
Related formschlo•ridic (klə-rĭdĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

chloride in Science


  1. A compound, such as ammonium chloride, containing chlorine and another element or radical.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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