1. cross section, section, plane section

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

2. cross section, sample

usage: a sample meant to be representative of a whole population

3. cross section, probability, chance

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


1. cross-section(prenominal), cross-sectional, crosswise (vs. lengthwise)

usage: representing a plane made by cutting across something at right angles to its length; "cross-section views of the neck"

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