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Hf

Symbol, Chemistry.
  1. hafnium.
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HF

  1. high frequency.
  2. Hispanic female.
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hf.

  1. half.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hf

hf

abbreviation for
  1. half
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Hf

the chemical symbol for
  1. hafnium
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HF

h.f.

abbreviation for
  1. high frequency
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hf in Medicine

Hf

  1. The symbol for the elementhafnium
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

hf in Science

Hf

  1. The symbol for hafnium.
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hafnium

[hăfnē-əm]
Hf
  1. A bright, silvery metallic element that occurs in zirconium ores. Because hafnium absorbs neutrons better than any other metal and is resistant to corrosion, it is used to control nuclear reactions. Atomic number 72; atomic weight 178.49; melting point 2,220°C; boiling point 5,400°C; specific gravity 13.3; valence 4. See Periodic Table.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.