Webster 1913 Edition
The quality or state of being thick (in any of the senses of the adjective).
Webster 1828 Edition
1.The state of being concrete or inspissated; consistence; spissitude; as the thickness of paint or mortar; the thickness of honey; the thickness of the blood.
2.The extent of a body from side to side, or from surface to surface; as the thickness of a tree; the thickness of a board; the thickness of the hand; the thickness of a layer of earth.
3.Closeness of the parts; the state of being crowded or near; as the thickness of trees in a forest; the thickness of a wood.
4.The state of being close, dense or impervious; as the thickness of shades.
5.Dullness of the sense of hearing; want of quickness or acuteness; as thickness of hearing.
thickness (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).
- (the property of being thick in dimension): fatness
- (measure): depth
- (layer): layer, stratum
- (in consistency): density, viscosity
- (property of being stupid): denseness, slowness, stupidity, thickheadedness
- (in consistency): fluidity, liquidity, runniness, thinness, wateriness
- (property of being stupid): mental acuity, mental agility, quick-wittedness, sharpness
property of being thick in dimension
layer See layer
informal: property of being stupid