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iodide

noun

io·​dide ˈī-ə-ˌdīd How to pronounce iodide (audio)
: a salt of hydriodic acid
also : the monovalent anion I of such a salt

Example Sentences

Recent Examples on the Web Potassium iodide tablets can block one type of radioactive material and are used in nuclear emergencies to help protect the thyroid, according to the Centers for Disease Control and Prevention. Hyder Abbasi, NBC News, 27 Aug. 2022 Well, these smaller nuclei come in the form of elements like cesium, strontium, iodide, and plutonium—all which have varying abilities to live in the environment (whether preferring air, water, or soil), and decay at different rates. Miriam Fauzia, Popular Mechanics, 17 Aug. 2022 Make your own rinse by combining three teaspoons of iodide-free salt with one teaspoon of baking soda, and then using one teaspoon of that mixture with eight ounces of water, the AAAAI recommends. Marygrace Taylor, SELF, 9 Mar. 2022 Potassium iodide can prevent the thyroid gland from absorbing radioactive iodine and thus protect against injury, according to the U.S. Centers for Disease Control and Prevention. Megan Cerullo, CBS News, 9 Mar. 2022 Cloud-seeding works on the principle that the iodide attracts water droplets. Washington Post, 24 Jan. 2022 Face creams often contain mercury salts, but the woman’s toiletry item contained much stronger methylmercury iodide. Los Angeles Times, 13 Sep. 2019 Spooked residents rushed to buy iodide, which can help limit the damage from exposure to radiation. Washington Post, 12 Aug. 2019 The chemistry used for the battery is zinc iodide, which was chosen for a combination of high energy density (in theory, up to half that of current lithium-ion batteries), neutral pH, and low viscosity (important for a hydraulic fluid). John Timmer, Ars Technica, 19 June 2019 See More

Word History

Etymology

iod(ine) + -ide

First Known Use

1822, in the meaning defined above

Time Traveler
The first known use of iodide was in 1822

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