rheopecticadj.

Brit.

/ˌriːə(ʊ)ˈpɛktɪk/, U.S.

/ˌriəˈpɛktɪk/

Origin: Formed within English, by derivation. Etymons: rheo- comb. form, pectous adj., -ic suffix.

Etymology: < rheo- comb. form + pect- (in pectous adj.) + -ic suffix (see quot. 1935). Compare rheopexy n., and also pectic adj.

Physics and Chemistry.

Of a sol: exhibiting the property of rheopexy. Also: of or relating to this property. Cf. thixotropic adj. at thixotropy n. Derivatives.

ΘΚΠ

the world > matter > chemistry > physical chemistry > colloid > [adjective] > sols > properties of > of or relating to rheopexy

rheopectic1935

1935 H. Freundlich & F. Juliusburger in Trans. Faraday Soc. 31 921 It is too cumbrous to say ‘thixotropic sols which can be solidified by orienting the particles’. Graham used the word ‘pectous’..for sols which have turned to a jelly. We therefore propose to call a thixotropic sol, which may be solidified by gentle movement, ‘rheopectic’, and the phenomenon itself ‘rheopexy’.

1958 U.S. Patent 2,846,394 1/1 The grease is a rheopectic lubricant composition which essentially comprises an oleaginous base thickened with..a lithium soap.

1978 C. J. Geankoplis Transport Processes & Unit Operations ii. 105 Design procedures for thixotropic and rheopectic fluids for steady flow in pipes.

1996 Jrnl. Food Engin. 27 63 The model..can describe shear thinning, shear thickening, thixotropic and rheopectic behavior with one set of parameters.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rheopectic
释义	rheopecticadj. Brit. /ˌriːə(ʊ)ˈpɛktɪk/, U.S. /ˌriəˈpɛktɪk/ Origin: Formed within English, by derivation. Etymons: rheo- comb. form, pectous adj., -ic suffix. Etymology: < rheo- comb. form + pect- (in pectous adj.) + -ic suffix (see quot. 1935). Compare rheopexy n., and also pectic adj. Physics and Chemistry. Of a sol: exhibiting the property of rheopexy. Also: of or relating to this property. Cf. thixotropic adj. at thixotropy n. Derivatives. ΘΚΠ the world > matter > chemistry > physical chemistry > colloid > [adjective] > sols > properties of > of or relating to rheopexy rheopectic1935 1935 H. Freundlich & F. Juliusburger in Trans. Faraday Soc. 31 921 It is too cumbrous to say ‘thixotropic sols which can be solidified by orienting the particles’. Graham used the word ‘pectous’..for sols which have turned to a jelly. We therefore propose to call a thixotropic sol, which may be solidified by gentle movement, ‘rheopectic’, and the phenomenon itself ‘rheopexy’. 1958 U.S. Patent 2,846,394 1/1 The grease is a rheopectic lubricant composition which essentially comprises an oleaginous base thickened with..a lithium soap. 1978 C. J. Geankoplis Transport Processes & Unit Operations ii. 105 Design procedures for thixotropic and rheopectic fluids for steady flow in pipes. 1996 Jrnl. Food Engin. 27 63 The model..can describe shear thinning, shear thickening, thixotropic and rheopectic behavior with one set of parameters. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < adj.1935
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