fissure
🇺🇸
/ˈfɪʃər/
🇬🇧
/ˈfɪʃə(r)/
A crack or a split, especially in rock or the ground.
The fissure in the rock wall was so deep that it seemed to go on forever.
바위 벽의 균열이 너무 깊어서 끝없이 이어지는 것 같았다.