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-ide

or -id

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  1. a suffix used in the names of chemical compounds: bromide.
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Origin of -ide

extracted from oxide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for -ide

-ide

-id

suffix forming nouns
  1. (added to the combining form of the nonmetallic or electronegative elements) indicating a binary compoundsodium chloride
  2. indicating an organic compound derived from anotheracetanilide
  3. indicating one of a class of compounds or elementspeptide; lanthanide
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Word Origin

from German -id, from French oxide oxide, based on the suffix of acide acid
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 -ide

suffix used to form names of simple compounds of an element with another element or radical; originally abstracted from oxide, the first so classified.

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Online Etymology Dictionary, © 2010 Douglas Harper

-ide in Medicine

-ide

suff.
  1. Group of related chemical compounds:monosaccharide.
  2. Binary compound:sodium chloride.
  3. Chemical element with properties similar to another:lanthanide.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

-ide in Science

-ide

  1. A suffix used to form the names of various chemical compounds, especially the second part of the name of a compound that has two members (such as sodium chloride) or the name of a general type of compound (such as polysaccharide).
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.