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The density, or mair preceese, the volumetric mass density, o a substance is its mass per unit volume. The seembol maist aften uised for density is ρ (the lawer case Greek letter rho). Mathematically, density is defined as mass dividit bi volume:[1]

References[eedit | eedit soorce]

  1. The National Aeronautic and Atmospheric Administration's Glenn Research Center. "Gas Density Glenn research Center".