Hg Definition

abbreviation
Hectogram.
American Heritage
Hectogram(s)
Webster's New World
Hemoglobin.
American Heritage Medicine
Haggai.
Webster's New World
High German.
Webster's New World
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symbol
Mercury.
Webster's New World

(metrology) Symbol for the hectogram, an SI unit of mass equal to 102 grams.

Wiktionary

Origin of Hg

  • ModL hydrargyrum < L hydrargyrus < Gr hydrargyros < hydōr, water + argyros, silver

    From Webster's New World College Dictionary, 5th Edition

  • From the New Latin hydrargyrum (“mercury”).

    From Wiktionary

Hg Sentence Examples

  • In the cases of aluminium dissolved in tin and of mercury or bismuth in lead, it is at least probable that the molecules in solution are Al 2j Hg 2 and Bit respectively, while tin in lead appears to form a molecule of the type Sn4.

  • Bamberger, Ber., 1893.26, p. 49 6); by the oxidation of nitrosobenzene (below) with atmospheric oxygen; or by the decomposition of benzene diazonium nitrate mercury nitrite, Hg(NO 2) 2.2C 6 H 5 N 2 NO 3, with copper powder (A.

  • Too much force (anything over 140/90 mm Hg is considered "high") can cause damage to the artery walls.

  • The compression level of such footwear is measured in mmHg, or millimeters of mercury, with the letters Hg being the chemical symbol for mercury.

  • Another diagnostic clue is a significant difference (greater than 30 mm Hg) in the blood pressure on the right and left sides of the body.

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