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- DictionaryCross-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"