DictionarysolidityPhysical firmness
noun

solidity

suh-LID-uh-tee/səˈlɪdəti/

Firmness that resists deformation.

The stone bridge's solidity allows it to carry the loaded cart without bending.

A sturdy stone arch bridge firmly carries a loaded cart across a stream.
Etymology

Solidity turns the firmness of solidus into a quality in its own right. Its early meaning of hardness connects physical compactness with the broader idea of being strong or substantial.

In context

wikipedia tts33:54
During the Hellenistic period, Doric conventions of solidity and masculinity dropped away, with the slender and unfluted columns reaching a height to diameter ratio of 7.5:1.
Ancient Greek architecture | Wikipedia audio article

More examples

  • She presses the clay to test its solidity.
  • Thicker walls give the plastic container greater solidity.
  • The concrete gains solidity as it cures.

Forms

solidity

solid adjective — Firm and resistant to changes in shape.

Similar words

firmness
Emphasizes resistance to pressure without necessarily implying complete rigidity.
rigidity
Specifically emphasizes resistance to bending or flexing under force.
hardness
Emphasizes resistance to scratching, denting, or penetration at the surface.