Noun: gaseous state
- The state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container
"Steam is water in its gaseous state";
- gas
Derived forms: gaseous states
Type of: state, state of matter
Encyclopedia: Gaseous state