Dictionary Home »
Dictionary Definitions » clean room
clean room
☆
any of various environments, as a room, designed to produce and maintain an atmosphere almost 100% free of contaminants such as dust, pollen, or bacteria: used in the assembly of spacecraft, in hospitals, etc.
See clean room in American Heritage Dictionary 4
noun
A room that is maintained virtually free of contaminants, such as dust or bacteria, used in laboratory work and in the production of precision parts for electronic or aerospace equipment. Also called white room.
Learn more about clean room
