iodide

[ ahy-uh-dahyd, -did ]

/ ˈaɪ əˌdaɪd, -dɪd /

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noun Chemistry.

a salt of hydriodic 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

IOC, iod-, iodate, iodic, iodic acid, iodide, iodimetry, iodinate, iodine, iodine 131, iodism

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use iodide in a sentence

Blasting UV light at a mix of PFAS, iodide and sulfite broke down nearly all the PFAS in a sample.
Simple process destroys toxic and widespread ‘forever’ pollutants|Janet Raloff|July 14, 2022|Science News For Students
Iodide and sulfite double-team the pollutant to destroy it, Liu explains.
Simple process destroys toxic and widespread ‘forever’ pollutants|Janet Raloff|July 14, 2022|Science News For Students
When UV rays release an electron from iodide, that iodide is converted into a reactive molecule which may then recapture freed electrons.
Just 3 ingredients can quickly destroy widely used PFAS ‘forever chemicals’|Nikk Ogasa|June 3, 2022|Science News
It’s surprising that no one had demonstrated the effectiveness of using sulfite with iodide to degrade PFAS before, McKay says.
Just 3 ingredients can quickly destroy widely used PFAS ‘forever chemicals’|Nikk Ogasa|June 3, 2022|Science News

It’s little wonder that people have been stocking up on potassium iodide pills, which temporarily stop iodine-131 from entering the thyroid—though do little to protect against exposure to any other nuclear material.
Amazon Sellers Are Making Big Money on Nuclear War Survival Products|Chris Stokel-Walker|March 23, 2022|Time
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

Scientific definitions for iodide

iodide

[ ī′ə-dīd′ ]

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