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

  • abbr. hectogram
  • abbr. hemoglobin

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Symbol for the hectogram, an SI unit of mass equal to 102 grams.

from The Century Dictionary and Cyclopedia

  • n. In chem., the symbol for mercury (New Latin hydrargyrum).
  • n. A contraction of hectogram.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. 100 grams
  • n. a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures


Sorry, no etymologies found.



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  • Hg. Chemical element symbol for Mercury.

    December 16, 2007