hydrogen fluoride

noun

1. a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.

hydrogen fluoride

noun

1. a colourless poisonous corrosive gas or liquid made by reaction between calcium fluoride and sulphuric acid: used as a fluorinating agent and catalyst. Formula: HF
2. an aqueous solution of hydrogen fluoride; hydrofluoric acid

hydrogen fluoride

1. A corrosive compound that exists as a colorless, fuming liquid or a highly soluble gas. Hydrogen fluoride is used as a reagent, catalyst, and fluorinating agent, in the refining of uranium, and in making many fluorine compounds. An aqueous solution of hydrogen fluoride is called hydrofluoric acid. Chemical formula: HF.

Word History and Origins

Origin of hydrogen fluoride¹

First recorded in 1905–10

Example Sentences

Taxes on many other common chemicals, such as chlorine, ammonia, phosphorus, hydrogen fluoride and sulfuric acid, would also be imposed.

From Time