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

  1. The National Aeronautic and Atmospheric Administration's Glenn Research Center. "Gas Density Glenn research Center". Archived frae the original on 14 Apryle 2013. Retrieved 6 December 2013.