the.com/fluid
Matter that refuses to hold a shape, only its volume and grudges.
means A substance that flows and conforms to its container, including liquids and gases.
from From Latin fluidus, from fluere, to flow — the same river feeding fluent, flux, and influence.
Gas countsBoth liquids and gases qualify as fluids.
Defined by failureFluids cannot resist shear stress, so they deform.
Glass mythGlass is solid, not a slow-flowing fluid.