- dilating or tending to dilate
- expanding in bulk when the shape is changed: said of masses of certain granular substances
- becoming solid, or setting, under pressure, as certain colloidal solutions
Origin of dilatantClassical Latin dilatans, present participle of dilatare: see dilate
- Tending to dilate; dilating.
- Exhibiting dilatancy.
(comparative more dilatant, superlative most dilatant)