di·la·tan·cy (d -l t n-s , d -)n. pl. di·la·tan·cies 1. The increase in volume of a granular substance when its shape is changed, because of greater distance between its component particles. 2. The phenomenon whereby a viscous substance solidifies under pressure. |
dilatancy [daɪˈleɪtənsɪ dɪ-]
n
(Chemistry) a phenomenon caused by the nature of the stacking or fitting together of particles or granules in a heterogeneous system, such as the solidification of certain sols under pressure, and the thixotropy of certain gels
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