silver iodide


: a compound AgI that darkens on exposure to light and is used in photography, rainmaking, and medicine

Example Sentences

Recent Examples on the Web Cloud-seeding airplanes use flares mounted to the wings and belly of the plane to inject clouds with silver iodide particles. Isabella Fertel, USA TODAY, 25 Jan. 2023 For decades, ski areas, utility companies and water conservation districts have also supported cloud seeding, a weather modification technique that uses generators to send silver iodide particles into the air to help boost snowfall. Sarah Kuta, Smithsonian Magazine, 12 Jan. 2023 The rocket, carrying a payload of silver iodide rods intended to initiate rainfall, was headed for the clouds above Zigui county in Hubei province. WIRED, 3 Sep. 2022 The basic materials for seeding have not changed, for the most part, since Schaefer’s time; the generator at Lake Irwin still uses a solution that contains silver iodide. Gabe Allen, Discover Magazine, 27 Oct. 2021 The aircraft have been shooting silver iodide flares into the atmosphere, also in the hope of prompting precipitation. WIRED, 3 Sep. 2022 The local government would also attempt to seed clouds, a process that involves shooting silver iodide rods into the sky to kickstart fresh rainfall. Karina Tsui, Washington Post, 18 Aug. 2022 When the silver iodide burns, particles go into the atmosphere and their charge attracts water to them. The Salt Lake Tribune, 5 Aug. 2022 Cloud-seeding aircraft release the silver iodide particles through a series of long, narrow tubes or flares mounted on the wings. Michael Cabanatuan, San Francisco Chronicle, 16 Mar. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'silver iodide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of silver iodide was in 1878

Dictionary Entries Near silver iodide

Cite this Entry

“Silver iodide.” Dictionary, Merriam-Webster, Accessed 5 Feb. 2023.

Kids Definition

silver iodide

: a compound that darkens when exposed to light and is used in photography, rainmaking, and medicine

Medical Definition

silver iodide

: a compound AgI that darkens on exposure to light and is used in medicine as a local antiseptic

More from Merriam-Webster on silver iodide

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