mathematics, specifically in the field of topology, a topological space is said to be a door space if every subset is open or closed (or both). The term comes...

announce their presence. Apart from providing access into and out of a space, doors may have the secondary functions of ensuring privacy by preventing unwanted...

In a bulletin board system (BBS), a door is an interface between the BBS software and an external application. The term is also used to refer to the external...

2001: A Space Odyssey is a 1968 epic science fiction film produced and directed by Stanley Kubrick. The screenplay was written by Kubrick and the science...

Door, Door is the debut album by Australian rock band The Boys Next Door. The album was recorded before the band left Australia for London in 1980, at...

Sectional doors occupy the same internal garage space as a monolithic door. Sectional doors have two advantages over single-panel monolithic doors: Sectional...

open/closed door dichotomy does not transfer to open/closed sets). This contrast to doors gave the class of topological spaces known as "door spaces" their...

introduced soon after. Body styles offered were a two-door single cab, a two-door SpaceCab, with space for two small jump-seats (rarely if ever fitted in...

The Door Through Space is a 1961 science fiction novel by American writer Marion Zimmer Bradley. An expansion of Bradley's story "Bird of Prey", which...

track above. Some types slide into a space in the parallel wall in the direction of travel, rather than the door sliding along the outside of the parallel...

Love Next Door (Korean: 엄마친구아들) is an ongoing South Korean television series written by Shin Ha-eun, directed by Yoo Je-won, and starring Jung Hae-in and...

singles, "Unamerican" and "Heaven's Got a Back Door". "Dead Sara release new EP "Temporary Things Taking Up Space"". Peermusic.com. Retrieved 14 January 2019...

A plug door is a door designed to seal itself by taking advantage of pressure difference on its two sides and is typically used on aircraft with cabin...

Look up car door in Wiktionary, the free dictionary. A car door is a type of door opening, typically hinged on its front edge, but sometimes attached...

Scissor doors (also called flap doors, wing doors, beetle-wing doors, turtle doors, switchblade doors, swing-up doors, upswing doors, Lamborghini doors, and...

Door Door is a single-screen puzzle-platform game developed by Enix and published in Japan in 1983. Originally released for the NEC PC-8801, it was ported...

4-door pickup truck produced by the French manufacturer Renault primarily for the South American market since September 2015. It has four doors, space for...

(The) Red Door may refer to: Red Door (venue), an event and music space in Chelsea, New York City The Red Door (restaurant), a restaurant in Seattle Insidious:...

In the automotive industry, a gull-wing door, also known as a falcon-wing door or an up-door, is a car door that is hinged at the roof rather than the...

A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including exterior doors of residential...

An automatic door, also known as an auto door, is a door that opens automatically, without the need for human intervention or usually upon sensing the...

Fuzzy Door Productions, Inc. is an American film and television production company founded by Seth MacFarlane in 1998. The company's productions include...

and unloading of passengers or cargo without the doors interfering with adjacent space. Sliding doors are often used on the outside of mini MPVs, such...

roller shutter, security shutter, coiling door, roller door or sectional overhead door is a specialized type of door or window shutter consisting of multiple...

cargo space behind the rear seats. When describing the body style, the hatch is often counted as a door, therefore a hatchback with two passenger doors is...

The Doors were an American rock band formed in Los Angeles in 1965, comprising vocalist Jim Morrison, keyboardist Ray Manzarek, guitarist Robby Krieger...

either two internal rooms or an internal room and an outside space. Historically folding doors were already known by the Romans as excavations in Pompeii...

screen door can refer to a hinged storm door (cold climates) or hinged screen door (warm climates) covering an exterior door, or a screened sliding door used...

A Dutch door (American English), stable door (British English), or half door (Hiberno-English) is a door divided in such a fashion that the bottom half...

A door closer is a mechanical device that regulates the speed and action of a door’s swing. Manual closers store the force used to open the door in some...