Reference meaning
cross section
Last updated
a section created by a plane cutting a solid perpendicular to its longest axis
Other meanings
2. noun
a sample meant to be representative of a whole population
3. noun
(physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns
4. adjective
representing a plane made by cutting across something at right angles to its length
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 08548065-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.