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cross oneself |
cross out |
cross product |
cross purposes |
cross question |
cross section
| cross street
| cross thwart
| cross vine
| cross wire
| cross-armed
cross section
WORDNET DICTIONARY
Noun cross section has 3 senses
- cross section(n = noun.location) Array - a section created by a plane cutting a solid perpendicular to its longest axis; Array has particulars: profile
- cross section(n = noun.cognition) Array - a sample meant to be representative of a whole population; Array is a kind of sample
- cross section(n = noun.attribute) Array - (physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns; Array is a kind of chance, probability
is a kind of plane section, section
Derived form adjective cross-sectional2
Derived form adjective cross-sectional1
CIDE DICTIONARY
cross section, n.
- a flat plane cutting through a three-dimensional object, usually at right angles to the longest axis of the object. [PJC]
- 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."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." [PJC] - 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. [PJC]
- a representative sample of a complex group; as, the town contained a cross section of the American population. [PJC]
- 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 . [PJC]
cross section, v. t.
to create one or a series of cross sections{3} by cutting (an object) into thin slices. [PJC]
THESAURUS
cross section
adjunct, chiasma, component, contingent, crossing, cruciation, decussation, detachment, detail, division, dole, embodiment, example, exponent, fraction, installment, intercrossing, intersecting, intersection, item, parcel, part, particular, percentage, portion, quadrant, quarter, quota, random sample, remainder, representation, representative, sample, sampling, section, sector, segment, share, specimen, subdivision, subgroup, subspecies, transection, transversion, traversal, type, typification
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