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单词 flocculate
释义

flocculateadj.

Brit. /ˈflɒkjᵿlət/, /ˈflɒkjᵿleɪt/, U.S. /ˈflɑkjələt/, /ˈflɑkjəˌleɪt/
Etymology: < flocculus n. + -ate suffix2.
Entomology.
(See quot. 1826.)
ΚΠ
1826 W. Kirby & W. Spence Introd. Entomol. IV. 346 Flocculate, when the posterior coxæ are distinguished by a curling lock of hair.
This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022).

flocculatev.

Brit. /ˈflɒkjᵿleɪt/, U.S. /ˈflɑkjəˌleɪt/
Etymology: formed as flocculate adj. + -ate suffix3.
transitive. To aggregate into flocculent masses.
ΘΚΠ
the world > space > relative position > arrangement or fact of being arranged > state of being gathered together > gather together [verb (transitive)] > gather in one mass or form lumps > accumulate > agglomerate or conglomerate > into flocculent masses
flocculate1877
1877 J. Le Conte Elements Geol. (1879) 70 (note) The property, possessed by lime..of flocculating and precipitating clay sediments.

Derivatives

floccuˈlation n. the process of flocculating.
ΘΚΠ
the world > space > relative position > arrangement or fact of being arranged > state of being gathered together > [noun] > composite collectiveness > agglomeration or conglomeration > into a flocculent mass
flocculation1885
1885 Brewer in Amer. Jrnl. Sc. 3rd Ser. XXIX. 4 The flocculation and precipitation of the suspended material is almost equally rapid.
1961 Lancet 16 Sept. 631/1 Flocculation tests [were] negative.

Draft additions 1993

b. intransitive. To form flocculent masses.
ΘΚΠ
the world > matter > constitution of matter > softness > types of softness > [verb (intransitive)] > form flocculent masses
flocculate1890
1890 in Webster
1909 F. P. Gay tr. Bordet's Stud. Immunity xxii. 421 When the salt solution which flocculates is removed and replaced by distilled water, the complex recovers its original appearance and is again disseminated.
1934 L. E. H. Whitby Med. Bacteriol. (ed. 2) xxi. 205 Toxoid..also flocculates when mixed with antitoxin.
1971 Nature 29 Oct. 590/1 The particulate matter tends to flocculate in the presence of high salinities.
1986 M. Rigby et al. Forces between Molecules viii. 202 If the attractive forces so far considered were the only interactions between colloidal particles, they would always flocculate and form large aggregates.
This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022).
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adj.1826v.1877
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