1. A room that is virtually free of dust or bacteria; used in laboratory work and in assembly or repair of precision equipment
   - clean room

Derived forms: white rooms

Type of: room

• picture element
• picture frame
• picture gallery
• picture hat
• picture palace
• picture plane
• picture postcard
• picture rail
• picture show
• picture taking
• picture tube
• picture window
• picture writing
• pictured
• picturesque
• picturesquely
• picturesqueness
• picturing
• picturise
• picturize
• picul
• piculet
• Picumnus
• Picus
• Picus viridis