Meaning of cross-sectional in English:


Pronunciation /krɒsˈsɛkʃ(ə)n(ə)l/


  • 1Exposed by making a straight cut through a solid form, especially at right angles to an axis.

    ‘the cross-sectional area of the wood’
    • ‘The angled cross-sectional profile of the building appears to bellow or expand outwards.’
    • ‘CAT scan is a computerized x-ray procedure that produces cross-sectional images of the human body.’
    • ‘The 3D model of the existing structure makes it easy to determine cross-sectional dimensions at any point, in order to highlight areas where additional supports are required.’
    • ‘Fat thickness was estimated using the cross-sectional image.’
    • ‘Since the sample isn't literally being sliced, we can see cross-sectional views of living cells, tissues, and organisms without harm.’
    • ‘I concluded that the building's smallest cross-sectional area would have to be located just upwind of the living area and not at the exit opening.’
    • ‘His installation piece, Dig, edges an open stairwell with a thick cross-sectional layer of faux topsoil and plants, as if the earth were reclaiming the site.’
    • ‘The cross-sectional area, or volume, of bone increases with age and training.’
    • ‘The text includes a cross-sectional image of a female fetus at 65 days of gestation.’
    • ‘The many technical difficulties of increasing speed have been overcome by reducing the cross-sectional area of trains to decrease aerodynamic resistance and by reducing the weight of the vehicles.’
  • 2Constituting a typical or representative sample of a larger group.

    ‘a cross-sectional survey of high school students’
    • ‘Cross-sectional comparisons of school district performance should be possible.’
    • ‘The telephone survey used a cross-sectional sample of random-digit telephone listings to identify eligible subjects.’
    • ‘The data for this analysis come from a random sample, cross-sectional survey of Iowa soybean fields.’
    • ‘This study only examined cross-sectional differences among firms.’
    • ‘The difficulty of evaluating this argument is finding enough cross-sectional data to make valid comparisons.’
    • ‘These values are reasonable considering that the data used in the analysis are cross-sectional.’
    • ‘A second issue of concern when using cross-sectional data is sample size.’
    • ‘The authors estimate a cross-sectional wage equation for a set of developing countries for the 1973-1990 period.’
    • ‘The analysis proposed is a cross-sectional study, where the measurements of the independent variables are all in the same period of time (1998-1999).’
    • ‘Their work uses cross-sectional county-level data to measure the impact that the concealed weapon law has on violent crime.’