- a colorless corrosive liquid, HI, an aqueous solution of hydrogen iodide.
Origin of hydriodic acid
First recorded in 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the colourless or pale yellow aqueous solution of hydrogen iodide: a strong acid
C19: from hydro- + iodic
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