Cross section may refer to: Cross section (geometry) Cross-sectional views in architecture & engineering 3D Cross section (geology) Cross section (electronics) Radar cross section, measure of detectability Cross section (physics) Absorption cross section Nuclear cross section Neutron cross section Photoionisation cross section Gamma ray cross section Cross Section (album), 1956 musical album by Billy Taylor See also Cross section (fiber), microscopic view of textile fibers. 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