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

Augustus Doricko, the founder and CEO of Rainmaker, is quick to answer any questions on the consequences of how his company uses the silver iodide compound.

From BBC ● Oct. 7, 2026

A year later, silver iodide was found to be more effective than dry ice, which quickly turns into useless gas.

From BBC ● Oct. 7, 2026

The process involves spraying particles such as silver iodide and salt into clouds from aircraft to produce rainfall, and is widely used to affect weather patterns or even tamp down air pollution.

From Barron's ● May 8, 2026

In this case, the researchers slightly rotated two stacked bilayers of chromium iodide relative to one another.

From Science Daily ● Feb. 13, 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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