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Floating on the surface.
n. also su·per·nate (so͞o′pər-nāt′)
The clear fluid above a sediment or precipitate.

[Latin supernatāns, supernatant-, present participle of supernatāre, to float : super-, super- + natāre, to swim, frequentative of nāre; see snā- in Indo-European roots.]


1. floating on the surface or over something
2. (Chemistry) chem (of a liquid) lying above a sediment or settled precipitate
[C17: from Latin supernatāre to float, from super- + natāre to swim]
ˌsupernaˈtation n


(ˌsu pərˈneɪt nt)

floating above or on the surface.
[1655–65; < Latin supernatant-, s. of supernatāns, present participle of supernatāre to swim above. See super-, natant]


- Means "swimming on the surface."
See also related terms for swimming.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.supernatant - the clear liquid that lies above a sediment or precipitate
liquid - a substance that is liquid at room temperature and pressure
Adj.1.supernatant - of a liquid; floating on the surface above a sediment or precipitate; "the supernatant fat was skimmed off"
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
supported - held up or having the weight borne especially from below; "supported joints in a railroad track have ties directly under the rail ends"
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References in periodicals archive ?
Supernatant was collected, and approximately 200 [micro]l was used for each assay.
This aspect is clearly demonstrated by turbidity and bacterial counts taken from the supernatant and the sediments at the end of the test period.
The group used a centrifuge to separate the distillation remains of three kinds of shochu into solid bits and supernatant liquid, which they sterilized.
A model for the mechanism of this system hypothesizes that the peptide is secreted into the supernatant via the ABC-transporter.
The supernatant was subsequently used for the determination of extracellular enzyme activity.
All of the products are ELISA kits: quantitative, "sandwich" enzyme-linked, immunoabsorbent assays for the detection of biologically active cytokines from blood serum, plasma and culture supernatant samples.
Mitochondria are best obtained by low-speed centrifugation to remove cells, nuclei and large organelles, followed by high-speed centrifugation of the supernatant and Percoll gradient centrifugation of the pellet.
The homogenate was centrifuged at 8,000 x g for 3 min, and the supernatant was filtered sequentially through 1.
Levels of hematin were measured in supernatant over time.