Velocity of a component in a fluid relative to the fluid in the direction of gravitational or centrifugal acceleration. Also called sedimentation rate.
Sources:
PAC, 1994, 66, 897. 'Quantities and units for centrifugation in the clinical laboratory (IUPAC Recommendations 1994)' on page 904 (https://doi.org/10.1351/pac199466040897)
PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 992 (https://doi.org/10.1351/pac199668040957)