: 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
These waters—rich in chloride, hydrogen sulfide, iron, fluoride, and iodide ions—promote blood circulation and muscle relaxation, boost metabolism, strengthen the immune system, and lower stress and inflammation.
—
Devorah Lev-Tov, Travel + Leisure, 13 June 2026
Higgs mode in semiconductor material The researchers were working with butylammonium lead iodide, a metal halide perovskite which is used to make single-layer semiconducting crystals.
—Ameya Paleja, Interesting Engineering, 10 June 2026
The powder-like material, made from microscopic, sponge-like crystalline structures, contains naturally occurring bismuth and iodide, said Spanopoulos, a chemist.
—Dinah Voyles Pulver, USA Today, 13 Mar. 2026
Goitrogens may block iodide transport to the thyroid, impairing the synthesis of thyroid hormones.
—Jillian Kubala, Health, 24 Nov. 2025
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Devorah Lev-Tov, Travel + Leisure, 13 June 2026
Higgs mode in semiconductor material The researchers were working with butylammonium lead iodide, a metal halide perovskite which is used to make single-layer semiconducting crystals.
—Ameya Paleja, Interesting Engineering, 10 June 2026
The powder-like material, made from microscopic, sponge-like crystalline structures, contains naturally occurring bismuth and iodide, said Spanopoulos, a chemist.
—Dinah Voyles Pulver, USA Today, 13 Mar. 2026
Goitrogens may block iodide transport to the thyroid, impairing the synthesis of thyroid hormones.
—Jillian Kubala, Health, 24 Nov. 2025
See All Example Sentences for iodide
Cite this Entry
“Iodide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iodide. Accessed 17 Jun. 2026.
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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