Free translatorFree translator
Synonyms, antonyms, pronunciation

  Home
English Dictionary      examples: 'day', 'get rid of', 'New York Bay'




Cross section   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.






Collaborative International Dictionary of English 0.48








Advanced search
     Find words:
Starting with
Ending with
Containing
Matching a pattern  

Synonyms
Antonyms
Quotes
Words linked to  

only single words



Share |





"Cross section" Quotes from Famous Books



... represents a cross section of the tooth, its appearance and shape will then depend on the portion of the tooth that it represents. From year to year, there is a gradual shortening in the lateral diameter, and an apparent increase in the diameter from before to behind. These ...
— Common Diseases of Farm Animals • R. A. Craig, D. V. M.

... consisted essentially of two recording devices—an ordinary phonograph, and a recorder of the Hensen type writing on a rotary glass disc (see Fig. 5, Plate X.). Of the phonograph nothing need be said. The Hensen recorder, seen in cross section in Fig. 3, was of the simplest type. A diaphragm box of the sort formerly used in the phonograph was modified for the purpose. The diaphragm was of glass, thin rubber, or goldbeater's skin. The stylus was attached perpendicularly to the surface of the diaphragm at its center. ...
— Harvard Psychological Studies, Volume 1 • Various

... are contrasted. Will you oblige me by looking with a strong lens at the bit of comb, brushing off with a knife the upper thickened edges, and then compare, by eye alone, the thickness of the walls there with the thickness of the basal plates, as seen in any cross section. I should very much like to hear whether, even in this way, the difference is not perceptible. It is generally thus perceptible by comparing the thickness of the walls of the hexagon (if not taken very close to the angle) near to the basal plates, where the comparison by ...
— More Letters of Charles Darwin - Volume I (of II) • Charles Darwin

... stable by steel doors hinged to the solid strata or masonry without the use of wood; the construction of the stable inside shall be free from pine or light lumber; shall be of brick or masonry as much as practicable, and any timber used shall be of hardwood of a cross section not less than three by six inches; no hay or straw shall be taken into the mine or stable unless same be compressed into compact bales, and then only from time to time in such quantities as will be required for two days' use; no greater ...
— Mining Laws of Ohio, 1921 • Anonymous

... always burst on percussion. The constant noise of our own guns is really worse on the nerves than the shell; there is the deafening noise, and the constant whirr of shells going overhead. The earth shakes with every nearby gun and every close shell. I think I may safely enclose a cross section of our position. The left is the front: a slope down of 20 feet in 100 yards to the canal, a high row of trees on each bank, then a short 40 yards slope up to the summit of the trench, where the brain of ...
— In Flanders Fields and Other Poems - With an Essay in Character, by Sir Andrew Macphail • John McCrae

... follow the same law,[1] i.e. it will topple into drops just as if it were straight. This I can show you by a direct experiment. I have here a small thick disc of iron, with an accurately planed face and a handle at the back. In the face is cut a circular groove, whose cross section is a semi-circle. I now lay this disc face downwards on the horizontal face of the lantern condenser, and through one of two small holes bored through to the back of the disc I fill the groove with quicksilver. Now, suddenly lifting the ...
— The Splash of a Drop • A. M. Worthington



Words linked to "Cross section" :   nucleonics, statistics, nuclear physics, sample, cross-sectional, probability, chance, profile, section, atomic physics, plane section



Copyright © 2024 Free Translator.org