CROSS SECTION • FREE-TRANSLATOR.COM • Definition of Cross section

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/krɔs sˈɛkʃən/ Listen

noun

cross section n.

1.

A flat plane cutting through a three-dimensional object, usually at right angles to the longest axis of the object.

2.

Any visual representation of a cross section 1, showing the internal structure of the object in the plane of the cross section; as, the technician prepared a series of MRI cross sections of the skull. Note: Different cross sections created by different techniques may show different aspects of internal structure. Thus computerized axial tomography using X-rays shows different structures than are visualized by MRI.

3.

A thin slice of an object made by cutting it transversely; as, to view a cross section of a bacterium with an electron microscope after staining the DNA; cross sections were prepared with a microtome.

4.

A representative sample of a complex group; as, the town contained a cross section of the American population.

5.

(Physics) A measure of the probability that a nucleus will interact in a specified way with a bombarding particle, expressed as the effective area that the nucleus presents to the particle; called also nuclear cross section.

verb

cross section v. t. To create one or a series of cross sections 3 by cutting (an object) into thin slices.

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Etymology of 'Cross section'

Collaborative International Dictionary of English 0.48

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"Cross section" Quotes from Famous Books

... it by walling the rest of the universe out. The poet (who is almost always a specialist also, a special kind of poet), having selected his specialty, develops it by letting all the universe in. He spends his time in making his life a cross section of the universe. The spirit of the whole of it, something of everything in it, is represented in everything he does. Whatever his specialty may be in poetry, painting, or literature, he produces ...

— The Lost Art of Reading • Gerald Stanley Lee

... is in proper condition for dialysis. Furthermore, the structure of the intestine is such as to produce conditions adapted for dialysis. This can be understood from Fig. 3, which represents diagrammatically a cross section through the intestinal wall. Within the intestinal wall, at A, is the food mass in solution. At B are shown little projections of the intestinal wall, called villi extending into this food and covered by ...

— The Story of the Living Machine • H. W. Conn

... large nerve-trunks of the limbs he has worked out the exact position of the bundles for the various groups of muscles, so that in a cross section of a particular nerve the component bundles can be labelled as confidently and accurately as can be the cortical areas in the brain. In the living subject, by using a fine needle-like electrode and a very weak ...

— Manual of Surgery - Volume First: General Surgery. Sixth Edition. • Alexis Thomson and Alexander Miles

... on their faces, and turned over on their backs, struggling; then they lay still. Dan carried them to the deck, and returned with a sailor. The two had just gained the sugar sacks when the centre bulkhead quivered. A cross section collapsed into a V. A score of rivet holes yawned wide and red-hot bolts fell on the sacks and set them on fire. A line of plating, separating from its fellows, sagged open in a red grin and gave view of the ...

— Dan Merrithew • Lawrence Perry

... tenons on the side rails are all made, then marked and cut from each tenon. The top rails and the slats are exactly alike for the four sides, as the table is square. In addition to the tenons on the rails, grooves should be cut in each for the ends of the slats to fit into as shown in the cross section in the detail drawing. Holes should be cut in ...

— Mission Furniture - How to Make It, Part 3 • H. H. Windsor

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