density : Idioms & Phrases


flux density

  • noun (physics) the number of changes in energy flow across a given surface per unit area
    flux.
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flux density unit

  • noun a measure of the amount of flux per unit of cross sectional area
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high-density lipoprotein

  • noun a lipoprotein that transports cholesterol in the blood; composed of a high proportion of protein and relatively little cholesterol; high levels are thought to be associated with decreased risk of coronary heart disease and atherosclerosis
    HDL; alpha-lipoprotein.
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low density

  • noun a rarified quality
    tenuity; rarity.
    • the tenuity of the upper atmosphere
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low-density

  • adjective satellite having low relative density or specific gravity
  • adjective satellite having low concentration
    • low-density urban areas
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low-density lipoprotein

  • noun a lipoprotein that transports cholesterol in the blood; composed of moderate amount of protein and a large amount of cholesterol; high levels are thought to be associated with increased risk of coronary heart disease and atherosclerosis
    beta-lipoprotein; LDL.
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magnetic flux density

  • noun the amount of magnetic flux in a unit area perpendicular to the direction of magnetic flow
    magnetic field strength; magnetic induction; magnetic intensity.
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optical density

  • noun (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation
    absorbance; optical density; photographic density.
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photographic density

  • noun (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation
    absorbance; optical density; photographic density.
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relative density

  • noun the ratio of the density of something to the density of a standard
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transmission density

  • noun (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation
    absorbance; optical density; photographic density.
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Vapor density

  • noun the density of a gas relative to the density of hydrogen
    vapor density.
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  • (Chem.), the relative weight of gases and vapors as compared with some specific standard, usually hydrogen, but sometimes air. The vapor density of gases and vaporizable substances as compared with hydrogen, when multiplied by two, or when compared with air and multiplied by 28.8, gives the molecular weight.
Webster 1913

vapour density

  • noun the density of a gas relative to the density of hydrogen
    vapor density.
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very low density lipoprotein

  • noun large lipoproteins rich in triglycerides; VLDLs circulate through the blood giving up their triglycerides to fat and muscle tissue until the VLDL remnants are modified and converted into LDL
    VLDL.
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