supernateadj.n.

Brit.

/ˈsuːpəneɪt/,

/ˈsjuːpəneɪt/, U.S.

/ˈsupərˌneɪt/

Origin: A variant or alteration of another lexical item. Etymon: supernatant adj.

Etymology: Alteration of supernatant adj., after words in -ate suffix². As noun perhaps formed independently, after words in -ate suffix¹.A regular formation on the past participle of classical Latin supernatāre would have the form *supernatate.

Chiefly Biology.

A. adj.

= supernatant adj. 1a.

ΘΚΠ

the world > matter > liquid > action or process of floating > [adjective]

fleetingOE

superfluent?1440

floating1600

supernatant1607

innatant1657

waterborne1675

supernate1899

1899 Chicago Clinic Nov. 436/1 This can be overcome by keeping a little slack lime in the bottle, and filtering of the supernate liquid as required.

1969 Arch. Biochem. & Biophysics 134 209/1 No glycogen remained in the supernate fraction.

2003 Handbk. Primary Care Procedures 511/2 After the urine is spun down, remove most of the supernate fluid (clear fluid that will be on top of the sediment).

B. n.

= supernatant n.

ΘΚΠ

the world > life > biology > laboratory analysis > material > [noun] > part of substance floating above surface

superfluid1851

supernatant1859

supernate1934

1934 Tubercle 15 215 This was..centrifuged to remove the insoluble debris and the supernate was tested for desensitising powers.

1979 Experientia 35 193/2 After decantation of the supernate into counting vials.

2008 M. Attrep & B. Kahn Radioanalytical Chem. Exper. xiii. 106 Centrifuge, then decant the supernate into a clean centrifuge tube and discard the precipitate.

This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).

supernatev.

Brit.

/suːpəˈneɪt/,

/sjuːpəˈneɪt/, U.S.

/ˌsupərˈneɪt/

Origin: A borrowing from Latin. Etymon: Latin supernatāre.

Etymology: < classical Latin supernatāre to swim over or above, to lie on the surface of a liquid, to float on top, (of liquids) to flow freely on top (see supernatant adj.). Compare earlier supernatant adj., supernatation n.

Chemistry and Biology. rare.

transitive and intransitive. Of a liquid: to lie above and in contact with (a solid residue, other liquid, etc.). Cf. supernatant adj. 1a.

ΘΚΠ

the world > matter > liquid > action or process of floating > float [verb (intransitive)]

fleetc1000

swimc1000

floata1100

hovec1220

supernate1683

the world > matter > liquid > action or process of floating > cause to float [verb (transitive)] > float upon

supernate1683

1683 W. Salmon Doron Medicum i. xxv. 291 Upon which affuse so much..wine as may supernate them at least four Inches.

1791 E. Baylis New & Compl. Body Pract. Bot. Physic xviii. 192 Take..of the sweet spirits of nitre, a sufficient quantity to supernate the ingredients three or four inches.

1914 Jrnl. Amer. Chem. Soc. 36 2056 An aqueous 0.5 M solution of sodium salicylate..supernates on the nitrobenzene in the beaker.

2003 Water Sci. & Technol. 48 15 The digesters were always mixed and were never supernated to minimize the amount of phosphorus recycled.

This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).

单词	supernate
释义	supernateadj.n. Brit. /ˈsuːpəneɪt/, /ˈsjuːpəneɪt/, U.S. /ˈsupərˌneɪt/ Origin: A variant or alteration of another lexical item. Etymon: supernatant adj. Etymology: Alteration of supernatant adj., after words in -ate suffix². As noun perhaps formed independently, after words in -ate suffix¹.A regular formation on the past participle of classical Latin supernatāre would have the form supernatate. Chiefly Biology. A. adj. = supernatant adj. 1a. ΘΚΠ the world > matter > liquid > action or process of floating > [adjective] fleetingOE superfluent?1440 floating1600 supernatant1607 innatant1657 waterborne1675 supernate1899 1899 Chicago Clinic* Nov. 436/1 This can be overcome by keeping a little slack lime in the bottle, and filtering of the supernate liquid as required. 1969 Arch. Biochem. & Biophysics 134 209/1 No glycogen remained in the supernate fraction. 2003 Handbk. Primary Care Procedures 511/2 After the urine is spun down, remove most of the supernate fluid (clear fluid that will be on top of the sediment). B. n. = supernatant n. ΘΚΠ the world > life > biology > laboratory analysis > material > [noun] > part of substance floating above surface superfluid1851 supernatant1859 supernate1934 1934 Tubercle 15 215 This was..centrifuged to remove the insoluble debris and the supernate was tested for desensitising powers. 1979 Experientia 35 193/2 After decantation of the supernate into counting vials. 2008 M. Attrep & B. Kahn Radioanalytical Chem. Exper. xiii. 106 Centrifuge, then decant the supernate into a clean centrifuge tube and discard the precipitate. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). supernatev. Brit. /suːpəˈneɪt/, /sjuːpəˈneɪt/, U.S. /ˌsupərˈneɪt/ Origin: A borrowing from Latin. Etymon: Latin supernatāre. Etymology: < classical Latin supernatāre to swim over or above, to lie on the surface of a liquid, to float on top, (of liquids) to flow freely on top (see supernatant adj.). Compare earlier supernatant adj., supernatation n. Chemistry and Biology. rare. transitive and intransitive. Of a liquid: to lie above and in contact with (a solid residue, other liquid, etc.). Cf. supernatant adj. 1a. ΘΚΠ the world > matter > liquid > action or process of floating > float [verb (intransitive)] fleetc1000 swimc1000 floata1100 hovec1220 supernate1683 the world > matter > liquid > action or process of floating > cause to float [verb (transitive)] > float upon supernate1683 1683 W. Salmon Doron Medicum i. xxv. 291 Upon which affuse so much..wine as may supernate them at least four Inches. 1791 E. Baylis New & Compl. Body Pract. Bot. Physic xviii. 192 Take..of the sweet spirits of nitre, a sufficient quantity to supernate the ingredients three or four inches. 1914 Jrnl. Amer. Chem. Soc. 36 2056 An aqueous 0.5 M solution of sodium salicylate..supernates on the nitrobenzene in the beaker. 2003 Water Sci. & Technol. 48 15 The digesters were always mixed and were never supernated to minimize the amount of phosphorus recycled. This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < adj.n.1899v.1683
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