infinitesimally
🇺🇸
/ˌɪnfɪnɪˈtesɪməli/
🇬🇧
/ˌɪnfɪnɪˈtesɪməli/
in a way that is extremely small or very close to zero
The surface of the mirror was polished to be infinitesimally smooth.
거울의 표면은 무한히 매끄럽게 연마되었습니다.