cross section

US /ˈkrɔs ˌsek.ʃən/
UK /ˈkrɔs ˌsek.ʃən/
"cross section" picture
1.

a surface or shape that is produced by cutting through a solid object

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The engineer examined the cross section of the pipe to check for corrosion.
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The diagram showed a cross section of the human heart.
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sectioncutawayprofile
2.

a representative sample of a larger group or population

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The survey included a cross section of society, from students to retirees.
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The focus group represented a good cross section of our target demographic.
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samplerepresentationslicesegment
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sectioncrosscrossingcesarean sectioncross-countrycross trainerrailroad crossing