Definition of thickness in English:



  • 1mass noun The distance through an object, as distinct from width or height.

    ‘the gateway is several feet in thickness’
    count noun ‘paving slabs can be obtained in varying thicknesses’
    • ‘To determine the exact width and thickness of the pieces you'll need, measure the exposed ends of the floorboards.’
    • ‘There is no maximum thickness for the deeper layer.’
    • ‘Measuring instructions: Measure the length, width, and thickness of your chair seat.’
    • ‘The earth's crust varies greatly in thickness, the least beneath the oceans, the most under the continental land masses.’
    • ‘These dressings are semipermeable, vary in size and thickness, and have an adhesive that holds the dressing on the skin.’
    • ‘Beneath the oceans, the crust varies little in thickness, generally extending only to about 5 km.’
    • ‘As the lens ages, it increases in weight and thickness, and its proteins undergo a chemical change.’
    • ‘The timing will vary according to thickness, so check that the meat is cooked before removing the chops.’
    • ‘In fact, from the Republic onwards the Romans found it necessary to make regulations to control the thickness of walls, the quality of building materials, and the roofs and height of buildings.’
    • ‘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.’
    • ‘First things first, the holster should fit and be worn with a belt of proper width and thickness.’
    • ‘A conventional barcode comprises light and dark elements - the bars - whose thickness varies.’
    • ‘The epidermis is the thinnest component of the skin, varying in thickness from 0.04 mm on the eyelids to 1.6 mm on the palms of the hand.’
    • ‘The eggshell thickness varies among different species of dinosaurs.’
    • ‘Ice doesn't freeze evenly, so a sheet of ice can vary in thickness from solid and safe, to dangerously thin in just a few steps.’
    • ‘The selection depends on the design and thickness of the wall.’
    • ‘As we all know, a certain minimum wall thickness must be maintained for safety reasons.’
    • ‘Minimum thicknesses of noncombustible insulating materials are indicated as required for the fire-resistance ratings shown.’
    • ‘Such opportunities are highly-valued by the scientific community, as the thickness and quality of the polar ice can be measured with a great deal of accuracy from underwater.’
    • ‘The thickness of the stones varies according to personal taste but they are usually between 9mm and 10 mm.’
    • ‘Time will vary depending on thickness, but you're aiming here for rare-to-medium-rare.’
    • ‘The author says that no pipeline, regardless of wall thickness, is impervious to failure.’
    width, breadth, depth, diameter, extent
    breadth, broadness, width, wideness, largeness, bigness, bulkiness, solidness
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    1. 1.1count noun A layer of a specified material.
      ‘the framework has to support two thicknesses of plasterboard’
      • ‘How many thicknesses of paper did the oil penetrate?’
      • ‘The interlining is formed of a number of thicknesses of suitable material.’
      • ‘The board should be made of three or more thicknesses of cardboard.’
      • ‘Lay down two or more thicknesses of heavy cardboard or 10 to 20 thicknesses of newspaper.’
      layer, stratum, stratification, seam, vein, band
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    2. 1.2in singular A broad or deep part of a specified thing.
      ‘the beams were set into the thickness of the wall’
      • ‘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.’
      • ‘Leading from this passage is the vaulted well chamber with its shaft set in the thickness of the walls.’
  • 2mass noun The state or quality of being thick.

    ‘he gave his eyes time to adjust to the thickness of the fog’
    ‘the shampoo dramatically increases the thickness of your hair’
    • ‘Depending on your hair length, texture and thickness you could make more braids, fewer braids or even different types of braids.’
    • ‘The salon was very impressed with the quality of the hair and the thickness, as it is hard to get enough human hair to make a full length wig.’
    • ‘Finally after about half a mile the thickness of the trees parted to reveal a small meadow.’
    • ‘The quiet was intense because of the thickness of the fog.’
    • ‘Even the tunic which he was wearing had, despite the thickness of the smoke, remained unsullied.’
    density, denseness, heaviness, opacity, opaqueness, impenetrability, soupiness, murkiness
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[with object]
  • Plane or cut (wood) to a desired breadth or depth.

    • ‘He even thicknessed fretboards with the thing.’
    • ‘I am finding thicknessing rosewood with my conventional smoothing planes to be a lot of work.’


Old English thicness (see thick, -ness).