Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. high frequency

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The molecular formula for hydrogen fluoride (hydrofluoric acid).
  • Initialism of high frequency.
  • abbr. Abbreviation of have fun.

Etymologies

Sorry, no etymologies found.

Examples

  • In industrial settings, HF is utilized in the production of fluoride compounds, as a catalyst in the petrochemical development of hi-octane fuels, in the manufacture of plastics and dyes and in semiconductor research. 5 Commercially, hydrofluoric acid solutions are employed to frost or etch crystal or glass and in the development of silicone chips. 6 Products available to the general public include rust removal agents and aluminum or chrome cleaning agents. 7,8

    Hydrofluoric Acid

  • A unique characteristic of HF is the ability of the fluoride ion to penetrate deeply into tissue.

    Hydrofluoric Acid

  • A working knowledge of the mechanisms of injury involved in exposures to HF is necessary for all emergency care providers.

    Hydrofluoric Acid

  • But virtually every one of the hundreds of chairs in the hall had the name HF Verwoerd written in black koki on the back.

    ANC Daily News Briefing

  • HF is really a showpiece for this great amalgam of performers, and because the songs are all done live with a good amount of improvisation, the recorded output, though damn good, doesn't necessarily capture the whole picture.

    Holy What Now? (Music (For Robots))

  • The common pronounciation of the acronym HF / DF meaning high frequency direction finder.

    Waxy.org Links

  • I’m not surprised that MY hadn’t known the HF is in WV — he didn’t grow up here, and leads an urban life in DC.

    Matthew Yglesias » Another State Bites the Dust

  • ABACUS has been created at the request of, and with the significant involvement of, a hedge fund investor (henceforth called HF) who wishes to profit from a future collapse in housing prices and failure of the underlying home mortgages and mortgage securities.

    Iris Mack: Goldman Sachs Settlement: A Reader's Outrage

  • Gioteck has announced a new Bluetooth PS3 controller called the HF-1 that uses the Xbox 360 controller layout.

    SlipperyBrick.com

  • Today for review I've got the flagship HD camcorder in the Canon lineup of consumer level products called the HF S21.

    OCTools

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