iodide

[ ahy-uh-dahyd, -did ]

/ ˈaɪ əˌdaɪd, -dɪd /

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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.

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Origin of iodide

First recorded in 1815–25; iod- + -ide

OTHER WORDS FROM iodide

sub·i·o·dide, noun

Words nearby iodide

iod-, iodamide, iodate, iodic, iodic acid, iodide, iodimetry, iodinate, iodine, iodine-123, iodine-125

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use iodide in a sentence

But the shops usually do not carry potassium iodide in large quantities, and many have sold out and now have long waiting lists.
California's Nuclear Freakout|Josh Dzieza, Tricia Romano|March 18, 2011|DAILY BEAST
They have been going into radiated areas without any protection or potassium iodide.
Yakuza to the Rescue|Jake Adelstein|March 18, 2011|DAILY BEAST
CVS, meanwhile, carries no radiation-fighting iodide, according to a representative.
California's Nuclear Freakout|Josh Dzieza, Tricia Romano|March 18, 2011|DAILY BEAST
This must have depended upon the free iodide it contained, and yet such collodion has worked most admirably.
Notes and Queries, Number 218, December 31, 1853|Various

It has since been obtained, in a separate state, by the action of sodium upon iodide of allyl.
Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I|Arnold Cooley
By this time the iodide of silver looked like pure solid brimstone in the wet paper.
Notes and Queries, Number 241, June 10, 1854|Various
HCl, cooled in ice, and diazotized with sodium nitrite solution, until starch iodide paper showed excess nitrous acid.
Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives|Y-Gwan Chen
Suspecting a specific origin for this malady, I put him on the use of iodide potassium, with increasing doses.
Report on Surgery to the Santa Clara County Medical Society|Joseph Bradford Cox

British Dictionary definitions for iodide

iodide

/ (ˈaɪəˌdaɪd) /

noun

a salt of hydriodic acid, containing the iodide ion, I –

a compound containing an iodine atom, such as methyl iodide, CH 3 I

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

Medical definitions for iodide

iodide

[ ī′ə-dīd′ ]

A compound of iodine with a more electropositive element or group.

Scientific definitions for iodide

iodide

[ ī′ə-dīd′ ]

A chemical compound consisting of iodine together with another element or radical.