: 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
The Chalmers research group has now provided a detailed account of a previously enigmatic phase of formamidinium lead iodide.
—
Mrigakshi Dixit, Interesting Engineering, 25 Sep. 2025
The company's zinc-iodide flow battery technology addresses what Michaelson sees as lithium-ion's limitations for stationary storage.
—Geri Stengel, Forbes.com, 8 Sep. 2025
In a wafer-thin crystalline sample of nickel iodide, the team observed that the spins of nickel atoms were arranged in a spiral pattern throughout the material’s lattice.
—Abhimanyu Ghoshal, New Atlas, 13 June 2025
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
See All Example Sentences for iodide
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Mrigakshi Dixit, Interesting Engineering, 25 Sep. 2025
The company's zinc-iodide flow battery technology addresses what Michaelson sees as lithium-ion's limitations for stationary storage.
—Geri Stengel, Forbes.com, 8 Sep. 2025
In a wafer-thin crystalline sample of nickel iodide, the team observed that the spins of nickel atoms were arranged in a spiral pattern throughout the material’s lattice.
—Abhimanyu Ghoshal, New Atlas, 13 June 2025
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
See All Example Sentences for iodide
Cite this Entry
“Iodide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iodide. Accessed 2 Oct. 2025.
Copy CitationKids 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
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