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cross section

PRIMARY MEANINGS OF: cross section

1
 n
a section created by a plane cutting a solid perpendicular to its longest axis
2
 n
a sample meant to be representative of a whole population
3
 n
(physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns
FULL DEFINITIONS OF: cross section
1

n a section created by a plane cutting a solid perpendicular to its longest axis

Types:
profile
a vertical section of the Earth's crust showing the different horizons or layers
soil profile
a vertical section of soil from the ground surface to the parent rock
Type of:
plane section, section
(geometry) the area created by a plane cutting through a solid
2

n a sample meant to be representative of a whole population

Type of:
sample
a small part of something intended as representative of the whole
3

n (physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns

Type of:
chance, probability
a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
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