Density dip and density hump
density-dependent population density-dependent
neuronal density and glial density
Structure with high-density skins and a low-density core material
volume density of combustible density
activated carbon cartridge
activated carbon filter cartridge
air turbine cartridge starter
annular cumulative cartridge
APDS (armor-piercing discarding sabot)cartridge
automatic cartridge fill machine
battery actuation cartridge