Thick"ness, n. [AS. &?;icnes.] The quality or state of being thick (in any of the senses of the adjective).

Thick"ness, n. [AS. &?;icnes.] The quality or state of being thick (in any of the senses of the adjective).

• (uncountable) The property of being thick (in dimension).
       When it comes to penis size, many women say they prefer thickness over length.
  
• (uncountable) A measure of how thick (in dimension) something is.
       The thickness of the Earth's crust is varies from two to 70 kilometres.
  
• (countable) A layer.
       We upholstered the seat with three thicknesses of cloth to make it more comfortable to sit on.
  
• (uncountable) The quality of being thick (in consistency).
       Whip the cream until it reaches a good thickness.
  
• (uncountable; informal) The property of being thick (slow to understand).