- 1A surface or shape that is or would be exposed by making a straight cut through something, especially at right angles to an axis: the cross section of an octahedron is a square in cross section the sailfish’s body looks like a tapering spearMore example sentences
- When the straw is straight, the cross section is a perfect circle.
- In cross section it is a symmetrical structure of three blades protruding from a central, solid shaft.
- In cross section, crystals have a compressed diamond-shaped outline.
- 1.1A thin strip of organic tissue or other material removed by making two straight parallel cuts through it.More example sentences
- Partial wood cross sections were removed from each tree with a chainsaw and the location of each sample was then determined and placed on the topographic map.
- Culture involves a hanging sheet of acrylic of an approximate pine-tree shape, on which are mounted 26 petri dishes, most containing thin cross sections of rolled canvas.
- My old swimming goggles fit perfectly on the thin cross section of birch.
- 1.2A diagram representing what a cross section would reveal.More example sentences
- All finds are recorded with bird's eye view and cross section diagrams and a log of the distance above or below sea level.
- A scan creates cross section images of the body, which may show cancer or its spread to other organs.
- Inserted inside the esophagus, the probe creates a picture of the whole heart in the time it takes for current ultrasound technology to image a single heart cross section.
- 1.3A typical or representative sample of a larger group, especially of people: a cross section of our senior managersMore example sentences
- Representatives from a wide cross section of the community will be getting round the table with airport chiefs for the third community and stakeholder conference.
- This new plan is the work of a wide cross section of clinical staff, patients and their representatives as well as health service managers.
- This entailed a full day of dialogue with representative cross sections of the Canadian population.
- 1.4 Physics A quantity having the dimensions of an area which expresses the probability of a given interaction between particles.More example sentences
- Beyond the gas chamber was a detector, which allowed them to measure the cross section - the probability for benzene molecules to interact with gas atoms at each velocity.
- True, we should not expect the biology teacher to teach the fluid dynamics of the circulatory system, or the chemistry teacher to teach the concept of cross sections when introducing nuclear chemistry.
- The comments did, however, leave open the outside possibility that such an inordinate cross section might be due to some role of the atomic electrons in coupling the x-ray photons strongly to the nucleus.
verb(cross-section) [with object] Back to top
- Make a cross section of (something): (as noun cross-sectioning) complex triangular terrain models for contour cross-sectioningMore example sentences
- Plot trajectories can be cross-sectioned, schematized and illustrated like maps or mazes, and a picture can be worth a thousand words.
- The table is covered with dismantled scaly things, things sliced and jellied, cross-sectioned things that squirmed the bottom of the sea.
- The exceptions are the fetuses, but only because they aren't cross-sectioned, just propped up in display cases.
- More example sentences
- All of these research methods will be covered in later chapters, but in the meantime the basic structure of the cross-sectional design will be outlined.
- The approach should be cross-sectional and multi-dimensional, he added.
- The greater the cross-sectional area of a muscle, the more force will be generated.
More definitions of cross sectionDefinition of cross section in:
- The British & World English dictionary