plural of coffee room

(dated) A room in a hotel where refreshments are served.

(chemistry) A self-contained area of a laboratory equipped with analytical balances

plural of sample room

A room for exhibiting samples of goods for sale. / (slang, dated) A grogshop.

Synonym of cleanroom (“room or environment controlled to minimize the presence of airborne matter”)

plural of white room

plural of back room

plural of balance room

Alternative form of form room.