Thickness (noun)

The dimension of how deep or solid an object is from one surface to its opposite.

Origin:

Derived from the old english word, 'thicknesse' which meant the same as the modern day word 'thickness'.

Examples:

1. The thickness of the board was measured before cutting it into pieces.
2. She preferred a mattress with a medium thickness for better support.
3. The thickness of the ice on the lake was determined to be safe for skating.
4. The thickness of the soup was adjusted by adding more or less liquid.
5. He was fascinated by the thickness of the ancient tree trunk.