어떤 물질 속에 섞여 있는 깨끗하지 못하거나 질을 떨어뜨리는 물질.
A substance that is present in another substance and makes it dirty or of an inferior quality.
예문:
"The filter is designed to remove even the smallest impurities from the drinking water."
"Analysts found traces of chemical impurities in the batch of medicine."
도덕적으로 깨끗하지 못하거나 음란하고 부도덕한 상태나 행위.
The quality of being morally wrong or socially unacceptable, especially in a sexual way.
예문:
"The monk dedicated his life to purging his mind of all spiritual impurity."
"In many ancient cultures, strict rituals were performed to cleanse the soul of impurity."
반도체의 전기적 특성을 조절하기 위해 의도적으로 첨가하는 미량의 원소.
A trace element intentionally added to a semiconductor to change its electrical properties.
예문:
"The conductivity of the silicon wafer is controlled by adding specific impurities."
"Phosphorus is commonly used as an impurity to create n-type semiconductors."