Another word for density
The quality of being solid or heavy
solidity, thickness, compactness, impenetrability, consistency, incompressibility, impermeability, massiveness, quantity, bulk, mass, substantiality, heaviness, occurrence, frequency, body, concretion, denseness, crowdedness; see also weight 1.
The measure of an electrical charge
current density, high frequency, relative frequency, kilowatt, kilocycle, ampere, erg; see also frequency 2.