[ahy-uh-dahyd, -did]
noun Chemistry.
a salt of hydriotic acid consisting of two elements, one of which is iodine, as sodium iodide, NaI.
a compound containing iodine, as methyl iodide.

1815–25; iod- + -ide

subiodide, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
iodide (ˈaɪəˌdaɪd)
1.  a salt of hydriodic acid, containing the iodide ion, I--
2.  a compound containing an iodine atom, such as methyl iodide, CH3I

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

iodide i·o·dide (ī'ə-dīd')
A compound of iodine with a more electropositive element or group.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
iodide   (ī'ə-dīd')  Pronunciation Key 
A chemical compound consisting of iodine together with another element or radical.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Hydrogen peroxide reduces other chemicals into iodide ions.
Desperate people have tried everything from firing cannons into the sky to
  lacing clouds with silver iodide.
Chronic exposure to perchlorate can dampen the thyroid's ability to absorb
  iodide and produce hormones.
Too much or too little iodide can cause hypothyroidism.
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