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

• ricrac
• rictal
• rictus
• rid
• rid of
• ridable
• riddance
• ridded
• riddle
• riddle canon
• riddled
• riddler
• ride
• ride away
• ride herd
• ride horseback
• ride off
• ride out
• ride roughshod
• ride shotgun
• ride the bench
• rideable
• rider
• Rider Haggard
• rider plate