無む塵じん室しつむじんしつじ字FuriganaMeanings1nounclean room; cleanroomTechnical term for a controlled environment with very low levels of dust and particulates, used in semiconductor manufacturing, pharmaceuticals, etc. Synonymous with クリーンルーム.See also: クリーンルーム半はん導どう体たい工こう場じょうの無む塵じん室しつでは、空くう気
