cross section

See also: cross-section and crosssection

English

Noun

cross section (plural cross sections)

  1. A section formed by a plane cutting through an object, usually at right angles to an axis.
    Alternative forms: cross-section (common), crosssection (rare)
    Coordinate terms: transection, intersection, bisection
  2. (mathematics, statistics) A sample meant to be representative of a whole population.
  3. (physics) The probability that a particular nuclear reaction will take place.

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