accretion

Definition

A gradual and natural increase in size or amount, such as in the formation of rocks or the growth of bacteria.

한국어 암석 형성이나 박테리아 성장과 같이 크기나 양이 서서히 자연스럽게 증가하는 것.

Example

"The moon is thought to have formed through the accretion of small particles in space."