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Definition 2024


cross_section

cross section

See also: crosssection and cross-section

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.
  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.

Translations