액체나 기체에서 불순물이나 고체 입자를 걸러내기 위해 필터를 통과시키는 물리적 과정.
The process of passing a liquid or gas through a filter to remove solid particles or impurities.
예문:
"The laboratory uses a vacuum filtration system to speed up the separation process."
"Regular filtration of the swimming pool water is necessary to keep it clear and safe."
"Advanced filtration technology can remove even the smallest microscopic contaminants."