rheology

/riˈɑlədʒi/
noun
  1. The scientific study of how materials flow and deform, including liquids, soft solids, and other substances.
    • In rheology, scientists measure how toothpaste behaves when squeezed from a tube.
    • Rheology helps engineers understand why ketchup flows slowly from a bottle.
    • The course on rheology covered topics like viscosity and elasticity.
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