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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
  • 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
  • Understanding Density: Concepts, Formulas, and Real-World Examples
    Learn the core concepts and math behind density in chemistry This tutorial explains the density formula, units, and real-world applications to help students master this essential property of matter
  • How Do I Calculate Density? Density and Specific . . . - Calculating Density
    This educational webpage from "The Math You Need, When You Need It" teaches geoscience students how to calculate density and specific gravity, covering core concepts such as mass, volume, density equations, real-world applications in geology, and interactive examples with practice problems
  • Density - Definition, Formula, Units and Calculations | CK-12 Foundation
    Density is a property that is constant for the particular identity of the matter being studied The SI units of density are kilograms per cubic meter (kg m 3), since the kg and the m are the SI units for mass and length respectively
  • Density – The Physics Hypertextbook
    Density is a measure of how 'heavy' a material is
  • Density | Physics - Lumen Learning
    Section Summary Density is the mass per unit volume of a substance or object In equation form, density is defined as ρ = m V The SI unit of density is kg m 3
  • Density - ChemTalk
    In this tutorial, you will learn what density is, how to calculate it - along with the units, formula and equation for density
  • 1. 8. 1 Density – STEM for Educators - iu. pressbooks. pub
    Simply put, density is how much “stuff” (mass) is packed into a certain amount of space (volume) Scientists define it as the mass per unit volume of a substance or object





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