cleavage
Definition
The splitting or division of cells; also, the quality of being split or the degree of separation, especially in crystals or breasts.
한국어 세포가 분열하거나 나뉘는 것; 결정이나 유방의 분리 정도를 나타내기도 함.
Example
"The biologist observed cellular cleavage under the microscope."