cross-section
/ˈkrɒs sekʃn/ (bre, ipa) · /ˈkrɔːs sekʃn/ (ame, ipa)
cross-section — noun
1. the inside of something — its layers, chambers, or hidden parts — revealed when
the inside of something — its layers, chambers, or hidden parts — revealed when it is cut through from top to bottom, often shown in a detailed drawing or diagram
Aarav studied the cross-section of the old oak trunk and counted thirty-seven rings.
cross-section of + object for examining layers inside
Beatriz sketched a cross-section of the old theatre, showing how the balcony hung above the main stalls.
Fatima's textbook had a cross-section of a tooth with the enamel, dentine, and pulp each coloured a different shade.
Mateo brushed dirt from a cross-section of the riverbank, revealing a stripe of ash pressed between two bands of clay.
The museum model was a cross-section of an old sailing ship, cut right down the middle.
文法句型
cross-section of + noun phrase
用法筆記
Common in science, engineering, and technical drawing. The hyphenated spelling cross-section is standard in British English; American English often writes cross section as two words.
2. a small selection of people or items that includes every different kind found in
a small selection of people or items that includes every different kind found in the much larger group they come from
The team interviewed a cross-section of families — pensioners, single mothers, and new arrivals — from every ward in Osaka.
cross-section of + group noun for a representative mix
Dario invited a cross-section of students to join the panel, not just the top scorers.
A broad cross-section of the town turned up to protest the planned motorway extension.
Wren's radio show features a cross-section of musicians, from jazz pianists to folk singers.
Lara recorded the food bills of a cross-section of twelve homes, from a pensioner's bedsit to a crowded family flat.
文法句型
cross-section of + noun phrase
用法筆記
Object is typically a large, diverse group — society, the population, a community. Rarely used for very small or uniform groups.
常見錯誤
3. the flat face that appears when you cut straight across something at a right ang
the flat face that appears when you cut straight across something at a right angle to its length, or the act of cutting this way — used in geometry and engineering to describe the shape of the cut surface
The engineer cut a cross-section through the steel pipe to measure the thickness of the wall.
cut a cross-section through + object
In geometry, Aoi drew a cross-section of a cone to show how an ellipse is formed.
The carpenter sawed the oak beam in cross-section and held up the pale, ringed face for Keiko to inspect.
Eitan measured the cross-section of the copper rod before calculating its electrical resistance.
Hana unrolled the blueprint and tapped the cross-section of the support beam, cut at ninety degrees to the railway line.
- transverse section
technical synonym used mainly in anatomy and engineering
- crosscut
emphasises the cutting action; common in woodworking
- longitudinal section
a cut made parallel to the main axis rather than perpendicular
文法句型
cross-section of + noun phrase
in cross-section
用法筆記
Distinguish from sense 1 (INSIDE VIEW): this sense is about the cut itself or the flat face it produces, not the view of internal structure. Common in geometry and engineering.