solidity

The condition or property of being solid.

Soundness of mind, moral character, or finances.

The state or property of being solid.

The absolute impenetrability attributed by some metaphysicians to matter.

Fullness of matter: opposed to hollowness.

Massiveness; substantiality; hence, strength; stability.

Strength and firmness in general; soundness; strength; validity; truth; certainty.

In geometry, the quantity of space occupied by a solid body.

A solid body or mass.

The state or quality of being solid; density; consistency, — opposed to fluidity; compactness; fullness of matter, — opposed to openness or hollowness; strength; soundness, — opposed to weakness or instability; the primary quality or affection of matter by which its particles exclude or resist all others; hardness; massiveness.