iodide

noun

io·​dide ˈī-ə-ˌdīd 

: a salt of hydriodic acid

also : the monovalent anion I⁻ of such a salt

Examples of iodide in a Sentence

Recent Examples on the Web

Goitrogens may block iodide transport to the thyroid, impairing the synthesis of thyroid hormones. — Jillian Kubala, Health, 24 Nov. 2025

In a wafer-thin crystalline sample of nickel iodide, the team observed that the spins of nickel atoms were arranged in a spiral pattern throughout the material’s lattice. — Abhimanyu Ghoshal, New Atlas, 13 June 2025

The company's zinc-iodide flow battery technology addresses what Michaelson sees as lithium-ion's limitations for stationary storage. — Geri Stengel, Forbes.com, 8 Sep. 2025

The powder-like material, made from microscopic, sponge-like crystalline structures, contains naturally occurring bismuth and iodide, said Spanopoulos, a chemist. — Dinah Voyles Pulver, USA Today, 13 Mar. 2026

Word History

Etymology

iod(ine) + -ide

First Known Use

1822, in the meaning defined above

Phrases Containing iodide

• hydrogen iodide
• potassium iodide
• silver iodide

Rhymes for iodide

• abide
• allied
• applied
• aside
• astride
• azide
• backside
• bankside
• bastide
• bayside
• bedside
• belied

Kids Definition

iodide

noun

io·​dide ˈī-ə-ˌdīd 

: a compound of iodine with another element or chemical group

Medical Definition

iodide

noun

io·​dide ˈī-ə-ˌdīd 

: a salt of hydriodic acid

also : the monovalent anion I⁻ of such a salt