bn:00067577n
Noun Concept
Categories: Rotation, 1899 introductions, American inventions, Doors
EN
revolving door  revolver  Revolving-door  revolving doors  Rotating door
EN
A door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings WordNet 3.0
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EN
A door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings WordNet 3.0 & Open English WordNet
A revolving door typically consists of three or four doors that hang on a central shaft and rotate around a vertical axis within a cylindrical enclosure. Wikipedia
A door that rotates around a central pivot. Wiktionary
IS A
WordNet 3.0 & Open English WordNet
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