cleanroom; clean room
A controlled environment with low levels of pollutants such as dust, airborne microbes, aerosol particles, and chemical vapors. Commonly used in semiconductor manufacturing, biotechnology, and other precision industries.
In the cleanroom of a semiconductor factory, airborne particles are strictly controlled.
クリーンルームに入る前には、専用の防塵服を着用しなければならない。
Before entering the cleanroom, you must put on special dust-free clothing.