Definition of rheology in English:



  • The branch of physics that deals with the deformation and flow of matter, especially the non-Newtonian flow of liquids and the plastic flow of solids.

    • ‘Overall, the deformation behavior and power-law rheology indicate an extremely broad range of timescales that underlie reversible changes in nuclear structure.’
    • ‘They can inform us about the origin and ongoing development of many parts of the ocean basins, about former and current plate movements, about upper-Earth rheology, and about postglacial sea-level rise, among other processes.’
    • ‘In this model, plant cell walls could be visualized as a ‘tangle’ of microfibrils, with wall rheology determined by spatial constraint upon further microfibril movement.’
    • ‘Knowledge of polymer rheology is essential in maintaining uniform textures in molded products such as, for example, an ice cream sandwich.’
    • ‘Post et al. showed that quartz rheology is sensitive to water fugacity, but the above extrapolations do not apply to identical values of water fugacity.’
    • ‘We did not rely on force curve analysis for quantitative evaluation of complex cellular rheology but instead used the indentation modulation procedure described below.’
    • ‘We can do that because the topography that a planet can support is dependent upon structure and rheology.’
    • ‘As with the cytoskeletal networks, rheology thus provides a valuable tool for studying networks composed of micrometer-scale clusters, where light scattering studies fail.’
    • ‘The power-law rheology seen here, as in a number of cellular systems, rules out any single timescale.’
    • ‘Compactability is a measure of how easily the concrete is compacted and is the most-abused characteristic of vertical concrete's rheology.’
    • ‘We lack quantitative sedimentological and structural data on the Somma-Vesuvius debris avalanches, but we can make some interpretations regarding their rheology.’
    • ‘None of these theological features were observed in our cell measurements, thereby suggesting that F-actin models are too simple to account for the complex rheology of the cells.’
    • ‘Twenty-two papers are grouped into four contextual sections - the effect of fluids, microstructures and textures, deformation mechanisms and rheology and tectonics.’
    • ‘A molecular explanation for turgor-dependent changes in wall rheology is proposed in the quantitative molecular model of Passioura and Fry.’
    • ‘In the case of taxol-stabilized extracts, we measure little difference in network rheology as compared to the untreated gels, yet observe striking differences in their contractile behavior.’
    • ‘Thus, consistent with previous findings, these dense cells are likely to contribute to poor rheology of sickle cell blood at all O2 saturations.’
    • ‘The crowding could lead to polymerization or cross-linking events between macromolecules that might account for a change in rheology of the cytoplasm other than that caused by actin polymerization.’
    • ‘We explore the impact of rheology on actin-dependent cytoplasmic contraction, and find that although microtubules modulate contractile forces in vitro, their interactions are not purely mechanical.’
    • ‘The stiffness of the constituent polymers of a mucous gel will also have a direct influence on the structure of the gel, particularly on characteristics such as rheology, film stability, and pore size.’
    • ‘Previous workers have attributed these differences to changes in rheology, i.e. brittle faulting in sandstones v. more ductile folding and faulting in dolostones.’


1920s: from Greek rheos stream + -logy.