See: hold-up volume (in column chromatography), relative retention (in column chromatography), retention factor (in column chromatography), retention index (in column chromatography), retention volumes (in chromatography), total retention volume (in column chromatography)
Source:
PAC, 1993, 65, 819. 'Nomenclature for chromatography (IUPAC Recommendations 1993)' on page 841 (https://doi.org/10.1351/pac199365040819)