hydrogen fluoride

noun

: a colorless corrosive fuming usually gaseous compound HF that yields hydrofluoric acid when dissolved in water

Examples of hydrogen fluoride in a Sentence

Recent Examples on the Web

The Los Angeles Fire Department’s hazardous material team also tested for ammonia, which is used in refrigeration, and hydrogen fluoride, a toxic chemical that could be released by burning lithium-ion batteries and solar panels. — Tony Briscoe, Los Angeles Times, 2 July 2026

But many Inola residents are concerned about how hydrogen fluoride emissions will affect surrounding plants and livestock. — Graycen Wheeler, KOSU, 1 July 2026

Then, raising the temperature to 700° C causes the aluminum trifluoride to react with water, leaving behind aluminum oxide and releasing yet more hydrogen fluoride. — ArsTechnica, 28 May 2026

These materials include copper, aluminum oxide, and hydrogen fluoride, which is used as a propellant in some rocket engines. — Leonard David, Space.com, 13 May 2026

Word History

First Known Use

1869, in the meaning defined above

Rhymes for hydrogen fluoride

• acetaldehyde
• acetanilide
• arabinoside
• cycloheximide
• cyclophosphamide
• diethylamide
• dinucleotide
• ferricyanide
• ferrocyanide
• glutaraldehyde
• glyceraldehyde
• hydroperoxide

Kids Definition

hydrogen fluoride

noun

: a colorless poisonous gas that is made up of hydrogen and fluorine and produces hydrofluoric acid when dissolved in water

Medical Definition

hydrogen fluoride

noun

: a colorless corrosive fuming usually gaseous compound HF that yields hydrofluoric acid when dissolved in water