supernatant
a. புறப்பரப்பில் மிதக்கிற.
Su`per*na"tant, a. Etym: [L. supernatanus, p.pr. of supernatare to swim above; super above + natare to swim.] Defn: Swimming above; floating on the surface; as, oil supernatant on water. SUPERNATANT Su`per*na"tant, n. (Chem.) Defn: The liquid remaining after solids suspended in a liquid have been sedimented by gravity or by centrifugation. Contrasted with the solid sediment, or (in centrifugation) the pellet.