Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


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"
Mentioned in ?
References in periodicals archive ?
The materials to be transported consist predominantly of supernatant sedimentary rocks of grayish yellow and gray-green stratigraphic series and partly lignite deposit consisting of alternations of clays, Sand, Marigold and lignite.
The effects of 50 ul /cm2 produced supernatant of 7 days cultured fungal biomass that was purified by filtration were assayed, on the goal plant in laboratory and research greenhouse, three-fold and according to numbering method, the most necrotic was related to IRLM.
All of bacteria were cultured in LB media and further the culture of each bacterium was divided into three parts, the first part was centrifuged in order to collect supernatant.
The effect of the bacteria supernatant which were harvested from these different conditions was studied on fungal growth and aflatoxin-production ability of A.
To determine the algacidal activity, a 100 [micro]L of filtrated culture supernatant were taken to test the activity at different growth stages.
One-dimensional sodium dodecyl sulfatepolyacrylamide gel electrophoresis SDS-PAGE was performed with the obtained supernatant according to the methodology previously described using a 10% polyacrylamide (Bio-Rad Laboratories, Hercules, CA) and 0.
Then, supernatant was decanted and the cell pellet resuspended to an OD600 of 1.
Whenever supernatant or excess liquids need to be disposed, the system makes short work of the process.
After 20 minutes contact time the supernatant liquid from each conical flask was collected through syringes in the time interval of 10 minutes.
The supernatant was removed, and the bacteria-bead complex was resuspended in water (5[micro]L).
Effects of Malvidin and Its Glycosides on XO-1 Production in Supernatant and Cells.
Moreover, the cell-free supernatant of the mutant MHT88 showed stronger capability in degrading FB1 compared to MHT6.