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: a salt of hydriodic acid
also
: the monovalent anion I− of such a salt
Examples of iodide in a Sentence
Recent Examples on the Web
According to a report in Critical Care Explorations, researchers last year identified a hidden hero that evolved to combat the stress: iodide, a form of iodine released by thyroid hormones.
—Marisa Sloan, Discover Magazine, 9 Dec. 2021
The iodide pills help prevent the thyroid gland from absorbing radiation, which could lead to tumors, but do not treat other kinds of radiation exposure, according to the CDC.
—Trevor Hughes, USA TODAY, 8 Dec. 2022
Though public health officials said people self-treating with iodide supplements were more likely to harm than help themselves, orders spiked so sharply that Toby’s website crashed.
—Matt Hongoltz-Hetling, Popular Science, 4 May 2023
The salt in your salt shaker is probably iodized, which means it’s had a key nutrient called iodine (in the form of iodide) added to it to help prevent iodine deficiency.
—Lauren Manaker Ms, Rdn, Ld, Verywell Health, 3 Apr. 2023
Potassium-iodide pills that can protect against radiation poisoning are out of stock in much of the U.S., reflecting concerns among some consumers that Russia’s invasion of Ukraine could escalate into a nuclear confrontation or accident that could spread radiation.
—Renée Onque, WSJ, 10 Mar. 2022
Typically, iodide treatment is recommended for residents within a 10-mile radius of a radiation leak.
—Jason Daley, Discover Magazine, 2 Oct. 2011
The Fukushima disaster was practically an infomercial for iodide therapy.
—Jason Daley, Discover Magazine, 2 Oct. 2011
In May, researchers at the University of California, Riverside, found an iodide treatment paired with ultraviolet light and sulfite can destroy up to 90% of the harmful atoms found in PFAS.
—Brian Bushard, Forbes, 20 Dec. 2022
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'iodide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1822, in the meaning defined above
Phrases Containing iodide
Dictionary Entries Near iodide
Cite this Entry
“Iodide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iodide. Accessed 10 Jun. 2024.
Kids Definition
iodide
noun
io·dide
ˈī-ə-ˌdīd
: a compound of iodine with another element or chemical group
Medical Definition
iodide
noun
io·dide
ˈī-ə-ˌdīd
: a salt of hydriodic acid
also
: the monovalent anion I− of such a salt
More from Merriam-Webster on iodide
Nglish: Translation of iodide for Spanish Speakers
Britannica.com: Encyclopedia article about iodide
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