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density    音标拼音: [d'ɛnsəti] [d'ɛnsɪti]
n. U密集,稠密;C密度,浓度

U密集,稠密;C密度,浓度

density
密度 DEN


density
n 稠密度; n 稠密性

density
密度

density
n 1: the amount per unit size [synonym: {density}, {denseness}]
2: the spatial property of being crowded together [synonym:
{concentration}, {density}, {denseness}, {tightness},
{compactness}] [ant: {dispersion}, {distribution}]

Density \Den"si*ty\ (d[e^]n"s[i^]*t[y^]), n. [L. densitas; cf.
F. densit['e].]
1. The quality of being dense, close, or thick; compactness;
-- opposed to {rarity}.
[1913 Webster]

2. (Physics) The ratio of mass, or quantity of matter, to
bulk or volume, esp. as compared with the mass and volume
of a portion of some substance used as a standard.
[1913 Webster]

Note: For gases the standard substance is hydrogen, at a
temperature of 0[deg] Centigrade and a pressure of 760
millimeters. For liquids and solids the standard is
water at a temperature of 4[deg] Centigrade. The
density of solids and liquids is usually called
specific gravity, and the same is true of gases when
referred to air as a standard.
[1913 Webster]

3. (Photog.) Depth of shade. --Abney.
[1913 Webster]

71 Moby Thesaurus words for "density":
asininity, blockishness, body, boobishness, boorishness, bovinity,
callosity, callousness, cloddishness, concreteness, crassness,
crudeness, denseness, dim-wittedness, dimness, doltishness,
dull-wittedness, dullardism, dullness, dumbness, duncery,
durability, durity, firmness, flintiness, grossness, hardness,
hardness of heart, hebetude, impenetrability, induration, lethargy,
loutishness, lumpishness, mass, materiality, ninnyism, oafdom,
oafishness, obduracy, obtuseness, opacity, palpability,
ponderability, resistance, restiveness, simpletonianism, slowness,
sluggishness, solidity, sottishness, soundness, stability,
steadiness, steeliness, stolidity, stoniness, stoutness, strength,
stupidity, sturdiness, substance, substantiality, substantialness,
tangibility, thick-headedness, thick-wittedness, toughness,
unteachability, wrongheadedness, yokelism


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  • Density - Wikipedia
    Density (volumetric mass density or specific mass) is the ratio of a substance's mass to its volume The symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D (or d) can also be used: [1] =, where ρ is the density, m is the mass, and V is the volume
  • Density - Physics Book - gatech. edu
    Mathematically, density is defined as mass divided by volume Density = Mass Volume For dealing with mass distributions in the more general sense, density refers to the mass distributed in a certain volume, often denoted with differentials: Density = dm dV
  • Density Calculator
    This free density calculator determines any of the three variables in the density equation given the other two
  • Density Formula - How To Calculate Density - The Calculator Site
    The formula for calculating density is ρ = m V, where p is the density, m is the mass and V is the volume Density (p) is equal to mass (m) divided by volume (V)
  • Density | Definition, Symbol, Units, Formula, Facts | Britannica
    Density, mass per unit volume of a substance The formula for density is d=M V, where d is density, M is mass, and V is volume Density is commonly expressed in units of gram per cubic centimeter For example, the density of water is 1 gram per cubic centimeter
  • Density, Specific Weight, and Specific Gravity – Definitions Calculator
    Density is a physical property - constant at a given temperature and pressure - and may be helpful for identification of substances Below on this page: Specific gravity (relative density), Specific gravity for gases, Specific weight, Calculation examples Se also:
  • What Is Density? Why Objects Sink or Float
    Density is more than a curiosity—it has countless practical applications In chemistry, it’s used to identify substances Every pure substance has a characteristic density, and by measuring it, scientists can determine what a material is
  • Density - Definition and How to Calculate It - ChemTalk
    Density is the measure of how much “stuff” is in a given amount of space For example, a block of the heavier element lead (Pb) will be denser than the softer, lighter element gold (Au) A block of Styrofoam is less dense than a brick
  • Examples of Density for Substances in Real Life
    Density is one of the fundamental physical properties of any substance Understanding what it is and how it’s calculated is crucial in virtually every scientific field, particularly materials science, engineering and any discipline related to manufacturing
  • Density Calculator
    Calculate the density of an object or a substance, where density is the mass per unit of volume With this density calculator, you can find any of the three variables in the density equation by providing the other two





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