dilatancy

English

Etymology

From dilate +‎ -ancy or dilatant +‎ -cy.

Noun

dilatancy (countable and uncountable, plural dilatancies)

  1. The property of dilating or expanding, especially by means of an increase in space between the component parts.
  2. (physics) The phenomenon of some substances whose viscosity increases with shear rate, or with pressure.