Definition of supernatant in English:

supernatant

adjective

technical
  • Denoting the liquid lying above a solid residue after crystallization, precipitation, centrifugation, or other process.

    ‘carefully transfer the supernatant fluid into a 15 ml centrifuge tube’
    • ‘The supernatant fluid was filtered and centrifuged.’
    • ‘The resultant supernatant fraction was used for the determination of lipid peroxidation and glutathione.’
    • ‘Ammonia N was determined on the supernatant fluid using the phenol-hypochlorite procedure.’
    • ‘Samples were then centrifuged (17,000 × g for 10 min), and supernatant fluid was stored at - 20°C for VFA analysis.’

noun

technical
  • A volume of supernatant liquid.

    ‘the supernatants were filtered and analysed’
    • ‘All extracts were centrifuged at 10000 rpm for 5 min, and the supernatants were then evaporated under vacuum to dryness and resuspended in appropriate solvents to a final concentration of 1 mg/ml.’
    • ‘After various time intervals the supernatants were removed, cell samples were fixed with paraformaldehyde solution for 30 minutes at room temperature.’
    • ‘The suspensions were spun at 1000 g for 30 minutes and the supernatants were filtered and lyophilized.’
    • ‘The tubes were centrifuged at 5000 rpm for 2 min, and the supernatant discarded.’
    • ‘The homogenates were then centrifuged at 3000 rpm for 15 min and the supernatants were used for determination of the lipid peroxide level via the MDA method, as described above.’

Pronunciation

supernatant

/ˌsuːpəˈneɪt(ə)nt/