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.

Fluid component in culture system; liquid portion of cells in suspension.

"floating on the surface," 1660s, from Latin supernatantem (nominative supernatans), present participle of supernatare "to swim above," from super (see super-) + natare "to sw [..]

The soluble liquid fraction of a sample after centrifugation or precipitation of insoluble solids. 17 Animation; 20 Animation; 21 Animation; 25 Animation, 25 Problem, 35 Animation

(n) the clear liquid that lies above a sediment or precipitate(adj) of a liquid; floating on the surface above a sediment or precipitate

The liquid layer that is drawn off the top of the basin after settling. It should be relatively clear and free of solids. AKA decant.

Liquid portion of a solution or suspension that remains after a precipitate has settled to the bottom of the container (Lesson 13)

The relatively clear water layer between the sludge on the bottom and the scum on the surface of a tank or basin, an anaerobic digester, or a septic tank (interceptor). This water from an anaerobic di [..]

The liquid layer that remains after a solution is spun in a centrifuge.