Cross-section

Cross-section
In anatomy, a cross-section is a transverse cut through a structure or tissue. The opposite of a cross-section is a longitudinal section. By analogy, a study may be cross-sectional or longitudinal.
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1. A transverse section through a structure. 2. The probability of an activation (5) by a nuclear reaction when a material is bombarded by neutrons, as in the production of radionuclides in a pile; unit : barn (10−24 cm2/atom).

Medical dictionary. 2011.

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  • Cross section — may refer to: Cross section (geometry), the intersection of a 3 dimensional body with a plane Cross sectional views in architecture engineering Radar cross section, the unit of measure of how detectable an object is with a radar Cross section… …   Wikipedia

  • cross section — n. 1. a flat plane cutting through a three dimensional object, usually at right angles to the longest axis of the object. [PJC] 2. any visual representation of a {cross section[1]}, showing the internal structure of the object in the plane of the …   The Collaborative International Dictionary of English

  • cross-section — cross sections also cross section 1) N COUNT: usu N of n If you refer to a cross section of particular things or people, you mean a group of them that you think is typical or representative of all of them. I was surprised at the cross section of… …   English dictionary

  • cross-section — cross .section n 1.) something that has been cut in half so that you can look at the inside, or a drawing of this cross section of ▪ a cross section of a plant stem in cross section ▪ The roof beams were 50 centimetres square in cross section.… …   Dictionary of contemporary English

  • cross-section — also cross section, 1748, originally in engineering sketches, from CROSS (Cf. cross) (adj.) + SECTION (Cf. section). Fig. sense of representative sample is from 1903 …   Etymology dictionary

  • cross-section — UK US /ˈkrɒssekʃən/ noun [C] ► something that has been cut in half so that you can see the inside, or a model or picture of this: »This diagram shows a cross section of the building and the layout of offices on all four floors. ► a small group… …   Financial and business terms

  • cross section — cross ,section noun 1. ) count or uncount the inside of an object that you can see by cutting through the middle of it from top to bottom a ) a drawing that shows the inside of something 2. ) count a group that contains an example of all or most… …   Usage of the words and phrases in modern English

  • cross section — n. 1. a) a cutting through something, esp. at a right angle b) a piece so cut off c) a drawing or photograph of a plane surface exposed by such a cutting 2. a sample that has enough of each kind in it to show what the whole is like 3. Nuclear… …   English World dictionary

  • cross section — v. t. to create one or a series of {cross sections[3]} by cutting (an object) into thin slices. [PJC] …   The Collaborative International Dictionary of English

  • cross section — n a cutting or piece of something cut off at right angles to an axis also a representation of such a cutting cross sec·tion·al .krȯ(s) sek shnəl, shən əl adj …   Medical dictionary

  • cross section — I noun average, characterization, composite representation, embodiment, epitome, example, exemplar, exempli gratia, exemplification, exemplum, fair sample, locus classicus, norm, part exemplifying a mass, part exemplifying a number, profile,… …   Law dictionary

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