Density

Definition

Density is the ratio of a substance's mass to its volume. The symbol most often used for density is ρ, although the Latin letter D can also be used: where ρ is the density, m is the mass, and V is the volume. In some cases, density is loosely defined as its weight per unit volume, although this is scientifically inaccurate – this quantity is more specifically called specific weight.

Related concepts

Absolute temperature Aerogel Aerographite Air Air density Alloy Aluminium Amount of substance Ancient Greek language Antimony Apocrypha Archimedes Area density Aristotle Atmosphere (unit)Atomic mass Atomic nuclei Avogadro's law Avogadro constant Avoirdupois ounce Bar (unit)Basalt Beryllium Bismuth Boltzmann constant Boyle's law Brass Bulk density Bulk volume Buoyancy Bushel Cadmium Celsius Cgs Charge density Charles's law Chromium Close-packing of equal spheres Cobalt Combined gas law Committee on Data of the International Science Council Compressibility Concrete Conserved quantity Convection Cooking oil Copper Coriolis flow meter Cork (material)Cubic centimetre Cubic decimetre Cubic foot Cubic inch Cubic metre Cubic yard Dalton (unit)Dasymeter De architectura Densities of the elements (data page)Density (disambiguation)Density current Density gradient Density of air Diamond Diiodomethane Dimensional analysis Dimensionless Displacement (fluid)Dord Earth Earth's inner core Electric charge Encyclopædia Britannica Eleventh Edition Energy density Eureka (word)Excess molar quantity Faraday constant Fluid ounce Force density Galileo Galilei Gas constant Gay-Lussac's law Germanium Girolami method Glass Glenn Research Center Glycerol Gneiss Gold Goldsmith Grain (unit)Gram Gram per cubic centimetre Granite Greek language Helium Hiero II of Syracuse Homogeneous (chemistry)Hydrogen Hydrometer Hydrostatic weighing ISO 80000-1 Ice Ideal gas Ideal gas law Imperial fluid ounce Imperial units Intensive and extensive properties Intensive property International Organization for Standardization International System of Quantities Interstellar medium Iridium Iron Kelvin Kilogram Kilogram per cubic metre Lead Lighter than air Limestone Linear density Liquid Liquid hydrogen Liquid oxygen List of chemical elements List of elements by density Literal translation Lithium Litre Local Interstellar Cloud Magnesium Manganese Mass Mass concentration (chemistry)Mass fraction (chemistry)Megagram Mercury (element)Metallic microlattice Meteorologica Mild steel Millilitre Miscibility Molality Molar concentration Molar mass Molar mass constant Molar volume Mole (unit)Mole fraction Molybdenum Multiplicative inverse National Aeronautic and Space Administration Neutron star Nickel Niobium Number density Nylon Oak Ohio State University Orthobaric density Oscillating U-tube Osmium PETE PVC Packaging Paper density Particle mass density Particle number Physical quantity Pine Plastics Platinum Plutonium Polypropylene Potassium Pound (mass)Power density Precious metal Pressure Quartzite Relative density Rhenium Rho Rhodium SI SI unit Salinity Sand Selenium Silicon Silver Slug (unit)Sodium Solid Solution (chemistry)Specific density Specific gravity Specific volume Specific weight Spice (oceanography)Standard conditions for temperature and pressure Standard temperature and pressure Styrofoam Sun Supercooling Tantalum Temperature Test tube Tetrachloroethene Thermal expansivity Thermodynamic temperature Thermodynamics Thorium Tin Titanium Tonne Total activity Troy ounce Troy weight Tungsten Tungsten hexafluoride US customary units US liquid gallon Unit cell Uranium Vanadium Vitruvius Void space fraction Volume Volume (thermodynamics)Volume concentration Water Water (molecule)Weighing scale Weight White dwarf Wood Wreath Zinc Ångström

6 concepts already in your glossary