Definition of thickness in English:

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Pronunciation: /ˈTHiknəs/


1The distance between opposite sides of something: the gateway is several feet in thickness paving slabs can be obtained in varying thicknesses
More example sentences
  • The scanner takes more than 90 measurements of the hand in terms of length, width, thickness and surface area in the span of one second.
  • Measuring instructions: Measure the length, width, and thickness of your chair seat.
  • To determine the exact width and thickness of the pieces you'll need, measure the exposed ends of the floorboards.
1.1A layer of a specified material: the framework has to support two thicknesses of plasterboard
More example sentences
  • The interlining is formed of a number of thicknesses of suitable material.
  • Lay down two or more thicknesses of heavy cardboard or 10 to 20 thicknesses of newspaper.
  • The board should be made of three or more thicknesses of cardboard.
layer, stratum, stratification, seam, vein;
sheet, lamina
1.2 [in singular] A broad or deep part of a specified thing: the beams were set into the thickness of the wall
More example sentences
  • Architects found ways of making more use of the width of the theatres by moving passages to the outside of the building and placing stairways within the thickness of the walls, thus leaving more internal space for seating.
  • Controlling entry seems to have been important, as the passages sometimes had one or two small side chambers, accommodated within the thickness of the wall, as if to guard the doorway.
  • Each floor has an oblong chamber with a small room and spiral stair in the wall thickness at the seaward end.
2The state or quality of being thick: he gave his eyes time to adjust to the thickness of the fog the thickness of his hair


Old English thicness (see thick, -ness).

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Syllabification: thick·ness

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