silver iodide

noun

Chemistry.

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

silver iodide

noun

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

silver iodide

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.

Word History and Origins

Origin of silver iodide¹

First recorded in 1905–10

Example Sentences

The team flew its plane to an elevation of 1,600 feet and dispersed about 70 grams of silver iodide into the clouds — an amount smaller than a handful of Skittles, Doricko said.

From Los Angeles Times

Usually silver iodide is used, but it can also be dry ice and other materials.

From Seattle Times

The video claims that the Santa Ana Watershed Project Authority “boasts about blasting cancer-linked silver iodide mixed with acetone.”

From Los Angeles Times

Shasta were worried after they read a scientific study about silver iodide showing up in fish populations.

From Salon

It is done by spraying particles of salt - like silver iodide or chloride - on clouds using planes or dispersion devices on the ground.

From BBC