hydrogen iodide

noun

a colorless gas, HI, having a suffocating odor: the anhydride of hydriodic acid.

Origin of hydrogen iodide

First recorded in 1895–1900

Words nearby hydrogen iodide

hydrogen cyanide, hydrogen donor, hydrogen electrode, hydrogen embrittlement, hydrogen fluoride, hydrogen iodide, hydrogen ion, hydrogen peroxide, hydrogen sulfide, hydrogen sulphate, hydrogen sulphide

British Dictionary definitions for hydrogen iodide

hydrogen iodide

noun

a colourless poisonous corrosive gas obtained by a catalysed reaction between hydrogen and iodine vapour: used in making iodides. Formula: HI
an aqueous solution of this gas; hydriodic acid