Definition of hydriodic acid in English:

hydriodic acid

Syllabification: hy·dri·od·ic ac·id
Pronunciation: /ˌhīdrēˌädik ˈasid


A strongly acidic solution of the gas hydrogen iodide in water.
More example sentences
  • In the method of the present invention, the hydriodic acid is administered orally, as hydriodic syrup.
  • The principal chemicals are ephedrine or pseudoephedrine, hydriodic acid, and red phosphorus.
  • In this way, by adding phosphorus to the reaction mixture, hydrogen iodide is recycled and the reducing efficiency of hydriodic acid is enhanced.


early 19th century: hydriodic from a blend of hydrogen and iodine.

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