Cross section

Look up cross section in Wiktionary, the free dictionary.

Cross section may refer to:

• Cross section (geometry), the intersection of a 3-dimensional body with a plane
• Cross-sectional views in architecture & engineering
• Radar cross section, the unit of measure of how detectable an object is with a radar
• Cross section (physics), a quantity expressing the likelihood of an interaction event between two particles
  • Absorption cross section
    • Nuclear cross section
      • Fission cross section
      • Neutron cross section
  • Emission cross section
    • Photoionisation cross section
  • Scattering cross section
• Section (fiber bundle), in differential and algebraic geometry and topology, a section of a fiber bundle or sheaf
• Cross-sectional data, in statistics, econometrics, and medical research, a data set drawn from a single point in time
• Cross-sectional study, a scientific investigation utilizing cross-sectional data
• Cross-sectional regression, a particular statistical technique for carrying out a cross-sectional study
• Cross section (geology), a diagram showing the structural geology along a vertical plane in the earth
• Cross section (biology), a sample such as that created by a microtome