- the quality or condition of being thick
- the measure of how thick a thing is, as distinguished from the length or width of any of its surfaces
- a layer, stratum, etc.: three thicknesses of cloth
- the thickest place or part
- The quality or condition of being thick.
- The dimension between two surfaces of an object, usually the dimension of smallest measure.
- A layer, sheet, stratum, or ply: Each floor is a single thickness of concrete.
(countable and uncountable, plural thicknesses)
- (uncountable) The property of being thick (in dimension).
- (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).
From Middle English thiknesse, from Old English Ã¾icnes (“thickness, viscosity, density, hardness; obscurity, cloud, darkness; thicket; depth, a thick body, anything thick or heavy"), equivalent to thick +"Ž -ness.