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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 | 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
  • 1. 5: Density - Chemistry LibreTexts
    Density is a physical property that is defined as a substance’s mass divided by its volume: Density is usually a measured property of a substance Notice that density is defined in terms of two dissimilar units, mass and volume That means that density overall has derived units, just like velocity
  • Understanding Density: Concepts, Formulas, and Real-World Examples
    This lesson explains density as the physical property in chemistry that quantifies how mass is concentrated in a given volume Gain a comfort using the formula D = m V and explore how density explains phenomena such as floating and sinking
  • Density Definition in Science
    It is a physical property of matter, meaning you measure density without requiring any chemical reaction Density commonly is expressed in units of grams per milliliter and kilograms per liter
  • What Is Density? Why Objects Sink or Float
    To understand density, we start with a very simple question: how much stuff is packed into a given amount of space? In scientific terms, density is defined as mass per unit volume
  • Density - ChemTalk
    In this tutorial, you will learn what density is, how to calculate it - along with the units, formula and equation for density
  • Density (article) | Khan Academy
    Learn about density as the relationship between mass and volume and how to calculate and compare the densities of different materials Explore how density explains why some objects float while others sink and how density varies with temperature
  • Density Formula - How To Calculate Density - The Calculator Site
    To calculate density, you divide the mass by the volume: Density = Mass ÷ Volume Density is often written in mathematics as the symbol p or D Mass can be written as m, and volume can be written as V So if you want to be fancy, the formula looks like this: ρ = m V
  • Density - GeeksforGeeks
    Density is a fundamental physical property that measures how much mass is contained within a given volume of a substance In other words, it quantifies how tightly packed the matter in a substance is





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