Jump To:

• Hf
  Hf

  hafnium.
• HF
  HF

  abbreviation

  (used in digital communications) have fun.
• hf.
  hf.

  abbreviation

  half.
• hf
  hf

  abbreviation

  half

Hf

¹ American  

Symbol, Chemistry.

1. hafnium.

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HF ² American  

abbreviation

1. (used in digital communications) have fun.

2. high frequency.

3. Hispanic female.

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hf. ³ American  

abbreviation

1. half.

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Hf ¹ British  

symbol

1. hafnium

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HF ² British  

abbreviation

1. high frequency

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hf ³ British  

abbreviation

1. half

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Example Sentences

See Examples For:

Hf HF hf. hf

These included zircon U-Pb geochronology to establish their ages, Hf isotope analyses to investigate their sources, and whole-rock geochemistry to examine their chemical composition.

From Science Daily ● Oct. 28, 2026

Food and Drug Administration didn’t give clearance to its EchoSolv HF tool for detecting heart failure, says Petra Capital.

From The Wall Street Journal ● Sep. 9, 2026

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

Adding moderate-to-vigorous activity cut the risk of HF by 15% and CV mortality by 10%, and even light activity made a difference by reducing HF risk by 6% and CV mortality by 9%.

From Science Daily ● Nov. 15, 2024

"We believe the proposed HEP Transaction simplifies HF Sinclair's corporate structure, reduces costs and further supports the integration and optimization of our portfolio," incoming Chief Executive Officer Tim Go said in a statement.

From Reuters ● May 4, 2023

HCl, HBr, HF, etc., have two atoms; hence there will be no shrinkage.

From An Introduction to Chemical Science by Rufus Phillips Williams

Britton's Cathedral Antiquities of Great Britain, fine plates, large paper, 6 vols. royal 4to. hf. bd. uncut. 15l. 15s. 1814-36.

From Notes and Queries, Vol. IV, Number 109, November 29, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. by Various

Carpentier, Alphabetium Tironianum, seu notes Tironis explicandi methods, folio, with numerous Short-hand Alphabets, Diplomas, Charters, &c. of Louis the Pious, hf. bd. calf, 9s.

From Notes and Queries, Number 42, August 17, 1850 by Various

Engravings of the Sepulchral Brasses in those Counties, original edition, folio, hf. bd. 2l. 15s.

From Notes and Queries, Vol. IV, Number 109, November 29, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. by Various

Ecole de France, 8 vols. sm. 8vo. hf. bd. russia, very neat, 20s.

From Notes and Queries, Number 58, December 7, 1850 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. by George Bell

DAVIES' Mythology and Rites of the British Druids, with Specimens of Poetry and Remarks upon Ancient British Coins, 8vo., hf. bd. calf, 7s. 6d.

From Notes and Queries, Number 58, December 7, 1850 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. by George Bell

This week an Icelandic whaling company, Hvalur hf, caused uproar when it was revealed that it had killed a blue whale.

From The Guardian ● Jul. 13, 2018

Photons are individual energy packets of electromagnetic waves, with Ephoton = hf, where h is Planck’s constant and f is the frequency of the associated light wave.

From Textbooks ● Aug. 12, 2015

High-intensity EM radiation consists of large numbers of photons per unit area, with all photons having the same characteristic energy hf .

From Textbooks ● Aug. 12, 2015

Icelandair Group hf said on its website it will cancel all European flights tomorrow morning, affecting 6,000 passengers.

From BusinessWeek ● May 22, 2011

Extra cloth, $7; sheep extra, $8; hf mor.

From The Roman Question by Edmond About

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