noun
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.
半導体工場のクリーンルームでは、空気中の微粒子が厳しく管理されている。
In the cleanroom of a semiconductor factory, airborne particles are strictly controlled.
Before entering the cleanroom, you must put on special dust-free clothing.