Function: noun
Date: 1835
1 a : a cutting or piece of something cut off at right angles to an axis also : a representation of such a cutting b : SECTION 3B
2 : a measure of the probability of an encounter between particles such as will result in a specified effect (as scattering or capture)
3 : a composite representation typifying the constituents of a thing in their relations
– cross-section transitive verb
– cross-sec · tion · al \ ' kro ̇ s- ' sek-shn ə l, -sh ə -n ə l \ adjective