supernatant Liquid removed from above a depth of settled suspended solids or sludge. Supernatent commonly refers to the liquid between the sludge on the bottom and the water surface of a basin or container.
supernatant (sue-per-NAY-tent). Liquid removed from settled sludge. Supernatant commonly refers to the liquid between the sludge on the bottom and the water surface of a basin or container.
S9 fraction
Supernatant fraction obtained from an organ (usually liver) homogenate by centrifuging at 9000 g for 20 minutes in a suitable medium; this fraction contains cytosol and microsomes.
 See also: Community, Hazard, Concentration, Species, Sulfur
  
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