thixotropyn.
/θɪksəˈtrɒpi/ The property of certain gels of becoming fluid when agitated and of reverting back to a gel when left to stand.
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thixotropy1927
1927 Chem. Abstr. 21 1391 Thixotropy is the phenomenon that a coagulated sol can be liquefied by merely shaking and always again coagulated to a gel by stopping agitation.
1949 P. C. Carman Chem. Constit. & Prop. Engin. Materials xiii. 379 This type of reversible gelation is known as thixotropy and is particularly strongly marked in montmorillonite clays.
1971 New Scientist 19 Aug. 435/2 How to demonstrate thixotropy with custard.
Derivatives
thixoˈtropic adj. exhibiting or pertaining to thixotropy.
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the world > matter > chemistry > physical chemistry > colloid > [adjective] > gels > properties of
thixotropic1927
1927 Chem. Abstr. 21 1391 (heading) Thixotropic behavior of aluminum hydroxide gels.
1947 Nature 11 Jan. 70/2 The range of thixotropic materials extends from the hardest solids, through doughs and pastes to liquids such as blood or milk.
1958 Woman 22 Feb. 11/2 Thixotropic paint is the non-spill type.
1971 Nature 30 July 328/1 A thin layer of grey silt covered a 20 cm layer of black thixotropic mud.
thixoˈtropically adv.
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the world > matter > chemistry > physical chemistry > colloid > [adverb] > gels > properties of
thixotropically1963
1963 Geol. Mag. 100 209 Nodules..produced by allowing a thin layer of sand to sink into thixotropically mobilized mud.
This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018).
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n.1927