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hydrofluoric

American  
[hahy-druh-floor-ik, -flawr-, -flor-] / ˌhaɪ drəˈflʊər ɪk, -ˈflɔr-, -ˈflɒr- /

adjective

  1. of or derived from hydrofluoric acid.


Etymology

Origin of hydrofluoric

First recorded in 1815–25; hydro- 2 + fluoric ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Torrance Refinery uses modified hydrofluoric acid, or MHF, which the refinery considers to be a safer alternative to HF, though the claim is disputed by advocates.

From Los Angeles Times • Feb. 8, 2026

A dip in hydrofluoric acid dissolved the matrix rock, concentrating the precious microfossils which she then analyzed under the microscope.

From Science Daily • Jan. 11, 2024

One result is the fluorspar district of southern Illinois, which once produced a majority of the country’s fluorite—used to smelt steel and create hydrofluoric acid.

From Science Magazine • Jun. 1, 2023

The 2018 explosion and subsequent fires at the facility then-owned by Calgary-based Husky Energy in Superior also produced fears of a hydrofluoric acid leak, causing 2,500 people in the city to evacuate.

From Seattle Times • Apr. 26, 2023

Small quantities of hydrochloric acid and hydrofluoric acid are also present.

From "Cosmos" by Carl Sagan