单词 | coacervation |
释义 | coacervationn. 1. The action of heaping together, or fact of being heaped together; accumulation. Now rare or Obsolete. ΘΚΠ the world > space > relative position > arrangement or fact of being arranged > state of being gathered together > [noun] > composite collectiveness > accumulation > heaping or piling up heapingc900 upheapingc1374 aggeration?a1425 piling1434 coacervation1495 pilement1597 bulking1602 acervation1614 aggestion1659 exaggerationa1676 pyramiding1910 1495 Trevisa's Bartholomeus De Proprietatibus Rerum (de Worde) xix. cxxviii. sig. mmviii/1 Chorus is a mesure of .xxx Modius, & hath þt name of Coaceruacion [a1398 BL Add. of coaceruacione; L. a coaceruacione], hepes. 1626 F. Bacon Sylua Syluarum §799 The Equall Spreading of the Tangible Parts, and the Close Coacervation of them. 1817 S. T. Coleridge Biogr. Lit. ii. 14 Like damp hay, they heat and inflame by co-acervation. 2. concrete. A mass heaped together. rare or Obsolete. ΘΚΠ the world > space > relative position > arrangement or fact of being arranged > state of being gathered together > an assemblage or collection > [noun] > mass formed by collection of particles > an accumulation > heap or pile heapc725 cockeOE hill1297 tassc1330 glub1382 mow?1424 bulkc1440 pile1440 pie1526 bing1528 borwen1570 ruck1601 rick1608 wreck1612 congest1625 castle1636 coacervation1650 congestion1664 cop1666 cumble1694 bin1695 toss1695 thurrock1708 rucklea1725 burrow1784 mound1788 wad1805 stook1865 boorach1868 barrow1869 sorites1871 tump1892 fid1926 clamp- 1650 C. Elderfield Civil Right Tythes 89 To..dispel that coacervation of tough humours about the throat. 1834 T. De Quincey Sketches Life & Manners in Tait's Edinb. Mag. Mar. 84 To unshell..this existing Rome, from its present crowded and towering co-acervations. 3. Chemistry. The action of forming a coacervate. ΘΚΠ the world > matter > chemistry > physical chemistry > aggregate > [noun] > aggregation > in a colloid solution coacervation1929 1929 De Jong & Kruyt in Proc. Konink. Akad. van Wetenschappen te Amsterdam XXXII. 849 (title) Coacervation (Partial miscibility in colloid systems). 1929 De Jong & Kruyt in Proc. Konink. Akad. van Wetenschappen te Amsterdam XXXII. 850 The word ‘unmixing’ having already a definite meaning... We introduce for this [sc. the phenomenon in colloid systems] the word coacervation. 1948 S. Glasstone Textbk. Physical Chem. (ed. 2) xiv. 1254 Coacervation. Salting out of a hydrophilic sol frequently gives a liquid aggregate... This often appears in the form of viscous drops, instead of a continuous liquid phase. 1970 Sci. Jrnl. Feb. 62/3 Of the various ‘chemical’ methods of making microcapsules the best known is coacervation, a phase separation technique. This entry has not yet been fully updated (first published 1891; most recently modified version published online December 2021). < n.1495 |
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