gaseousness - having the consistency of a gas

property - a basic or essential attribute shared by all members of a class; "a study of the physical properties of atomic particles"

viscosity, viscousness - resistance of a liquid to sheer forces (and hence to flow)

thickness - resistance to flow

thinness - a consistency of low viscosity; "he disliked the thinness of the soup"

hardness - the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale

softness - the property of giving little resistance to pressure

breakableness - the consistency of something that breaks under pressure

unbreakableness - a consistency of something that does not break under pressure

porosity, porousness - the property of being porous; being able to absorb fluids

solidity, solidness - the consistency of a solid

uniformness, uniformity - the quality of lacking diversity or variation (even to the point of boredom)

coherence, coherency, cohesion, cohesiveness - the state of cohering or sticking together

logicality, logicalness - correct and valid reasoning

logic - the branch of philosophy that analyzes inference