iodide

American  

[ahy-uh-dahyd, -did] / ˈaɪ əˌdaɪd, -dɪd /

noun

Chemistry.

1. a salt of hydriodic acid consisting of two elements, one of which is iodine, as sodium iodide, NaI.

2. a compound containing iodine, as methyl iodide.

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iodide British  

/ ˈaɪəˌdaɪd /

noun

1. a salt of hydriodic acid, containing the iodide ion, I ^–

2. a compound containing an iodine atom, such as methyl iodide, CH 3 I

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iodide Scientific  

/ ī′ə-dīd′ /

1. A chemical compound consisting of iodine together with another element or radical.

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Other Word Forms

• subiodide
  noun

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Etymology

Origin of iodide

First recorded in 1815–25; iod- + -ide ( def. )

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Compare meaning

How does iodide compare to similar and commonly confused words? Explore the most common comparisons:

• iodide vs. iodine

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Example Sentences

See Examples For:

iodide

This approach to weather modification, now more than 80-years-old, involves using planes and drones to disperse compounds such as silver iodide into clouds to form ice crystals.

From BBC ● Oct. 7, 2026

While still undergoing tests at Texas A&M University, this new seeding agent moves Recast away from silver iodide as the go-to compound.

From BBC ● Oct. 7, 2026

The process involves spraying particles such as silver iodide and salt from aircraft to produce rainfall, but depends on clouds being present.

From Barron's ● Aug. 11, 2026

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

But maybe his fatigue is exacerbated by the potassium iodide he's taking.

From "Vincent and Theo: The Van Gogh Brothers" by Deborah Heiligman

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