| isopycnic | <physics> Having equal density, as different regions of a medium. A line or surface passing through those points in a medium, at which the density is the same as, an isopycnic line or surface. Origin: Iso- + Gr. Pyknos dense. (08 Mar 2000) |
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| isopycnic zone | <chemistry> The region in density gradient centrifugation having the same density as the buoyant density of the macromolecule. (05 Mar 2000) |
| centrifugation, isopycnic | Centrifugation in which the solvent is of the same density as the substance to be isolated. From the greek iso-, equal and pyknos, thick. (12 Dec 1998) |
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