mg

Noun
  1. One thousandth (1/1,000) gram (synset 113745171)
    is a type of: metric weight unit, weight unit - a decimal unit of weight based on the gram
    has: mcg, microgram - one millionth (1/1,000,000) gram
    is a part of: grain, metric grain - a weight unit used for pearls or diamonds: 50 mg or 1/4 carat
    same as: milligram
  2. A light silver-white ductile bivalent metallic element;
    In pure form it burns with brilliant white flame;
    Occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine) (synset 114668427)
    is a type of: metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
    substance meronym:
    • carnallite - a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium
    • bitter spar, dolomite - a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer
    • magnesite - a white mineral consisting of magnesium carbonate; a source of magnesium
    • olivine - a mineral consisting of magnesium iron silicate; a source of magnesium
    • magnesia, magnesium oxide, periclase - a white solid mineral that occurs naturally as periclase; a source of magnesium
    • spinel - a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones
    same as: atomic number 12, magnesium

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