Attribute to a physical quantity obtained by division by volume. charge density may thus be called volumic charge which is the electric charge in a section of space divided by the volume of that section.
ISO 31-0: 1992 (http://www.iso.org/iso/catalogue_detail.htm?csnumber=3621)
PAC, 1985, 57, 1299. 'Review of plasma deposition applications: preparation of optical waveguides' on page 1310 (https://doi.org/10.1351/pac198557091299)
PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 999 (https://doi.org/10.1351/pac199668040957)