dilatancy

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noun

The property of dilating or expanding, especially by means of an increase in space between the component parts.

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Meanings

noundilatancy (countable and uncountable, plural dilatancies)

plural dilatancies

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

Origin

From dilate + -ancy or dilatant + -cy.

Full word history & related roots →
Cite this entry
APA

dilatancy. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/dilatancy

MLA

“dilatancy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dilatancy. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “dilatancy,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/dilatancy.

Source: dilatancy on Wiktionary, CC BY-SA 4.0.