Definition of "thickness" in English

noun

1. (uncountable) The property of being thick (in dimension).

2. (uncountable, countable) A measure of how thick (in dimension) something is.

   • The thickness of the Earth's crust varies from two to 70 kilometres.
   • Guitar picks come in different thicknesses.

3. (countable) A layer.

   • We upholstered the seat with three thicknesses of cloth to make it more comfortable to sit on.

4. (uncountable) The quality of being thick (in consistency).

   • Whip the cream until it reaches a good thickness.

5. (uncountable, informal) The property of being thick (slow to understand).

6. (graph theory, countable) The minimum number of planar subgraphs which a given graph can decompose into.

verb

1. (transitive) To trim (wood) to a consistent thickness using a thickness planer.