cross section
cross
ˈkrɔs
kraws
sec
sɛk
sek
tion
ʃən
shēn
/kɹˈɒs sˈɛkʃən/

āχāĻ‚āϰ⧇āϜāĻŋāϤ⧇ "cross section"āĻāϰ āϏāĻ‚āĻœā§āĻžāĻž āĻ“ āĻ…āĻ°ā§āĻĨ

01

āĻ•ā§āϰāϏ āϏ⧇āĻ•āĻļāύ, āĻ…āύ⧁āĻĒā§āϰāĻ¸ā§āĻĨ āĻŦāĻŋāĻ­āĻžāĻ—

the non-empty area formed by the intersection of a solid object in three-dimensional space and a plane, or the corresponding concept in higher-dimensional spaces
02

āĻ•āĻžāĻ°ā§āϝāĻ•āϰ āĻ•ā§āϰāϏ āϏ⧇āĻ•āĻļāύ, āĻŽāĻŋāĻĨāĻ¸ā§āĻ•ā§āϰāĻŋāϝāĻŧāĻžāϰ āϏāĻŽā§āĻ­āĻžāĻŦāύāĻž

(physics) the probability that a particular interaction (as capture or ionization) will take place between particles; measured in barns
03

āĻĒā§āϰāϤāĻŋāύāĻŋāϧāĻŋāĻ¤ā§āĻŦāĻŽā§‚āϞāĻ• āύāĻŽā§āύāĻž, āĻĒā§āϰāϤāĻŋāύāĻŋāϧāĻŋāĻ¤ā§āĻŦāĻŽā§‚āϞāĻ• āĻ•ā§āϰāϏ āĻŦāĻŋāĻ­āĻžāĻ—

a sample meant to be representative of a whole population
LanGeek
āĻ…ā§āϝāĻžāĻĒ āĻĄāĻžāωāύāϞ⧋āĻĄ āĻ•āϰ⧁āύ