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English definition of “cross-section”

cross-section

noun [C] uk   /ˈkrɒs.sek.ʃən/ us    /ˈkrɑːs-/
something that has been cut in half so that you can see the inside, or a model or picture of this: a cross-section of the human heart a small group that represents all of the different types within the total group: The demonstrators seemed to be from a wide cross-section of society.
(Definition of cross-section from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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