silver iodide

American  

noun

Chemistry.

1. a pale-yellow, water-insoluble solid, AgI, which darkens on exposure to light: used chiefly in medicine, photography, and artificial rainmaking.

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silver iodide British  

noun

1. a yellow insoluble powder that darkens on exposure to light: used in photography and artificial rainmaking. Formula: AgI

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silver iodide Scientific  

1. A pale-yellow, odorless powder that darkens when it is exposed to light. It is used in photography, as an antiseptic in medicine, and in cloud seeding. Chemical formula: AgI.

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Etymology

Origin of silver iodide

First recorded in 1905–10

Example Sentences

By combining advanced electron microscopy with neural networks, the team recorded a silver iodide crystal as it melted while being protected by layers of graphene.

From Science Daily • Jan. 26, 2026

Many studies have found that the small amount of silver iodide used doesn’t damage the environment.

From The Wall Street Journal • Dec. 4, 2025

Cloud seeding involves spraying particles such as silver iodide and salt into clouds from aircraft to trigger rain, that can wash pollutants from the air.

From Barron's • Nov. 2, 2025

On Tuesday, authorities used a Cessna aircraft to release fire flares containing silver iodide and sodium chloride into the atmosphere.

From BBC • Oct. 29, 2025

Does he think cyanide of potassium would do as well as the iodide, to redissolve the iodide of silver, iodide of potassium being at present so dear?

From Notes and Queries, Number 193, July 9, 1853 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc by Bell, George