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supernatant

[soo-per-neyt-nt] /ˌsu pərˈneɪt nt/
adjective
1.
floating above or on the surface.
Origin
1655-1665
1655-65; < Latin supernatant- (stem of supernatāns), present participle of supernatāre to swim or float above. See super-, natant
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for super-natant

supernatant

/ˌsuːpəˈneɪtənt/
adjective
1.
floating on the surface or over something
2.
(chem) (of a liquid) lying above a sediment or settled precipitate
Derived Forms
supernatation, noun
Word Origin
C17: from Latin supernatāre to float, from super- + natāre to swim
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for super-natant

supernatant

adj.

1660s, from Latin supernatantem (nominative supernatans), present participle of supernatare "to swim above," from super (see super-) + natare "to swim," frequentative of nare "to swim" (see natatorium).

Online Etymology Dictionary, © 2010 Douglas Harper
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