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
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

  • 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.

  • Blood pressure is measured in millimeters of mercury (mm Hg).

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