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English definition of “cross-section”

cross-section

noun [C]  /ˈkrɔsˌsek·ʃən/ us  

cross-section noun [C] (INSIDE VIEW)

a part of something cut from the rest of it, usually cut from side to side, in order to see its inside structure, or a drawing of this: a cross-section of a human heart

cross-section noun [C] (REPRESENTATIVE GROUP)

part of a group which is representative of all the different types within the total group: A jury should represent a reasonable cross-section of the community.
(Definition of cross-section from the Cambridge Academic Content Dictionary © Cambridge University Press)
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