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  1. Dictionary
    Cross-sec·tion·al
    /ˌkrôsˈsekSH(ə)n(ə)l/

    adjective

    • 1. exposed by making a straight cut through a solid form, especially at right angles to an axis: "the cross-sectional area of the wood"
    • 2. constituting a typical or representative sample of a larger group: "a cross-sectional survey of high school students"