Definition of dilatancy in English:


Line breaks: di|lat¦ancy
Pronunciation: /dʌɪˈleɪt(ə)nsi
, dɪ-/


[mass noun] Chemistry
  • The phenomenon exhibited by some fluids, sols, and gels in which they become more viscous or solid under pressure.
    More example sentences
    • Grain-scale brittle dilatancy would increase permeability, readily promoting the influx of CO2-rich hydrous fluids into the fault zone soon after its initiation.
    • Association with vertical joints suggests that the deformation is progressively evolving towards dilatancy with increasing tectonically induced differential stress.
    • It also distinguishes between two types of hardening, namely shear hardening and compression hardening and incorporates soil dilatancy and a yield cap.

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