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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 ?
The second (II) group marked as 'a moderate risk group' of bronchial remodeling included 41 patients with VEGF level in sputum supernatant fluid more than 80 ng/ml, and MMP-9 <5.
The value of mutational profiling of the cytocentrifugation supernatant fluid from fine-needle aspiration of pancreatic solid mass lesions.
After 4 hr of incubation, the production medium was centrifuged at 12000 rpm for 20 min in 4[degrees]C and the supernatant fluid was used for assay of produced L-Trp and remaining indole.
After that 1 volume of incomplete adjuvant of Fraind was added to 1 volume of the supernatant fluid consisting of petrolatum and lanolin in 1:1 ratio.
The supernatant fluid was collected in a sterile tube.
It was centrifuged for 8 mins at 800 rpm and supernatant fluid was removed.
After centrifugation supernatant fluid from each reaction mixture was separately removed by Pasteur Pipette and was transferred to sample tubes which were kept on ice till further use.
A 2 mL aliquot of freshly prepared 25% (250 mL/L) meta-phosphoric acid was added to 8 mL of strained ruminal fluid; the mixture was centrifuged (17,000 g for 10 min), and the supernatant fluid was stored at -20[degrees]C for determination of the volatile fatty acids (VFA).
The study of the metabolism of nucleic acid and total protein in the tissues and cellular organoids including the supernatant fluid of the liver and mucous environment of the intestine is the required condition for understanding of the causes of the protein synthesis changes of the body (Iskandarov and Sadikov 2005; Muminova, 2003).
Analogue picture was noted on the second day of poison however, the content of RNA in the supernatant fluid changed more than in the first day of the experiment.