Collins Concise English Dictionary © HarperCollins Publishers::
hg
  1. hectogram
WordReference Random House Unabridged Dictionary of American English © 2026
HG, 
    1. Language VarietiesHigh German.
    2. British TermsHome Guard.

Hg, [Symbol, Chem.]
  1. Chemistrymercury.
  • Greek hydrárgyros literally, liquid silver (hydr- hydr-1 + árgyros silver)
  • Neo-Latin hydrargyrum, for Latin hydrargyrus (by analogy with aurum, argentum, etc.)

hg, 
  1. Weights and Measureshectogram;
    hectograms.

H.G., 
    1. Language VarietiesHigh German (def. 1).
    2. His Grace;
      Her Grace.

Collins Concise English Dictionary © HarperCollins Publishers::
HG
  1. His (or Her) Grace
Collins Concise English Dictionary © HarperCollins Publishers::
Hg
  1. mercury
Etymology: from New Latin hydrargyrum
'hg' also found in these entries (note: many are not synonyms or translations):
High German - Hyksos - calomel - hectogram - in. Hg - inch of mercury - mercurous - mercury - mercury fulminate - methylmercury - mm Hg

Forum discussions with the word(s) "hg" in the title:


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