節理
せ
つ
り
Meanings
1
Technical term in geology for natural fractures in rock along which no movement has occurred. Not used for everyday 'joint' like a body joint or a carpentry joint.
Regular joints can be seen in this cliff.
2
Refers to logical coherence, reasonableness, or the underlying principle of something. Often used in contexts discussing whether something makes sense or has a rational basis.
His argument has logic to it.
You should avoid actions that don't make sense.