Word Study
cross-section
OXFORD DICTIONARY
cross-section, n.
1 a a cutting of a solid at right angles to an axis. b a plane surface produced in this way. c a representation of this.
2 a representative sample, esp. of people.
3 Physics a quantity expressing the probability of interaction between particles.
1 a a cutting of a solid at right angles to an axis. b a plane surface produced in this way. c a representation of this.
2 a representative sample, esp. of people.
3 Physics a quantity expressing the probability of interaction between particles.
Derivative
cross-sectional adj.
For further exploring for "cross-section" in Webster Dictionary Online