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Disney Treasure
The Disney Treasure is a Disney Cruise Line ship built in Germany and placed in service in December 2024, the second ship of the Wish class.
Disney utilidor system
The Disney utilidor system, or Utilidors, is a network of utility corridors beneath Walt Disney World's Magic Kingdom where cast members and supplies move out of guest view.
Disney–OpenAI Sora licensing deal backlash
The Disney–OpenAI Sora licensing deal backlash was criticism from Hollywood unions and animators after Disney agreed in December 2025 to license over 200 characters to OpenAI's Sora video platform.
Disney's Pop Century Resort
Disney's Pop Century Resort, also known as Pop Century, is a value resort hotel at Walt Disney World in Lake Buena Vista, Florida, that opened on December 14, 2003.
Disney+ Hotstar
Disney+ Hotstar, also known as Hotstar, was a subscription streaming service formed in 2020 by rebranding Hotstar under Disney's Star India; in 2025 its Indian operation merged into JioHotstar.
Disneyland Paris
Disneyland Paris, also known as Euro Disney, is a Disney theme-park resort at Marne-la-Vallée, 32 kilometers east of Paris, opened in 1992 with two theme parks and seven Disney hotels.
Disneyland Railroad
The Disneyland Railroad, originally the Santa Fe & Disneyland Railroad, is a narrow-gauge steam railroad encircling Disneyland Park in Anaheim, California. It opened with the park in 1955 and stops at four lands.
Disordered rock salt
Disordered rock salt (DRX) is a class of lithium-ion battery cathode materials in which lithium and transition-metal cations randomly share one lattice, promising high cobalt-free capacity since the mid-2010s.
Dispatcher
A dispatcher, also known as a telecommunicator, is a public safety worker who answers 9-1-1 calls, determines an incident's nature and location, and coordinates police, fire, and medical response.
Dispersion management
Dispersion management is a technique in optical fiber communications that alternates fiber segments with opposite dispersion signs so path-averaged dispersion stays low, shaping long-haul and submarine systems from the 1990s onward.
Dispersion-flattened fiber
Dispersion-flattened fiber is an optical fiber whose chromatic dispersion is kept small and nearly constant over a wide wavelength range by balancing waveguide against material dispersion, useful for wavelength-division multiplexing.
Dispersion-managed soliton
A dispersion-managed soliton is an optical pulse that propagates stably along fiber whose dispersion alternates periodically, breathing in width and power; proposed in 1995, it underpinned transoceanic systems.
Dispersion-shifted fiber
Dispersion-shifted fiber (DSF), standardized as ITU-T G.653, is single-mode optical fiber with its zero-dispersion wavelength shifted into the low-loss 1550 nm window, best suited to single-channel long-haul systems.
Displacement hull
A displacement hull is a boat or ship hull supported entirely by buoyancy, used in most commercial shipping and sailboats, and limited by wave-making resistance at hull speed.
Displacement method (structural analysis)
The displacement method, also called the stiffness method, is a structural analysis method taking joint displacements and rotations as unknowns; its matrix form underlies the finite element method.
Displacement ventilation
Displacement ventilation is a room air distribution method that supplies slightly cool air at low velocity near the floor, so warm, contaminated air rises to a ceiling exhaust.
Displate
Displate is a Polish e-commerce company founded in Warsaw in 2013 that sells metal posters printed on stainless steel, hung with a tool-free magnetic mounting system.
Display device
A display device, also called an information display, is an output device that converts computer signals into visible images or text, most often on flat panels.
Display resolution
Display resolution, also known as screen resolution, is the number of pixels a display shows, written as width × height, such as 1920 × 1080.
Display size
Display size, also called screen size or viewable image size, is the physical size of a display, measured as the diagonal of the viewable image in inches.
Display Stream Compression
Display Stream Compression (DSC) is a visually lossless, low-latency image compression standard developed by VESA, first published in 2014 for display interfaces like DisplayPort and HDMI.
DisplayPort
DisplayPort is a digital display interface standard developed by VESA, first released in 2006 to carry video, audio, and data from a source device to a display.
Disposition Matrix
The Disposition Matrix is a US government database, first reported in 2012, that catalogs terrorism suspects and the plans to track, capture, or kill them.
Dissolution recycling
Dissolution recycling is a solvent-based plastics recycling process that selectively dissolves a target polymer out of mixed waste, recovering it with chains intact without chemical change.
Dissolution recycling of polyethylene
Dissolution recycling of polyethylene is a solvent-based physical recycling method in which waste PE is dissolved, separated from contaminants by filtration, and reprecipitated with its polymer chains intact.
Dissolved air flotation
Dissolved air flotation (DAF) is a water treatment process that dissolves air under pressure and releases fine bubbles that float particles, oils, and algae for skimming.
Dissolved gas analysis
Dissolved gas analysis (DGA) is a diagnostic method measuring gases dissolved in transformer insulating oil to detect internal faults such as overheating, arcing, and partial discharge.
Distance measuring equipment
Distance measuring equipment (DME) is an aviation radio navigation system that measures the distance between an aircraft and a ground station by timing radio pulses.
Distance relay
A distance relay is a protective relay, designated ANSI device 21, that measures voltage-to-current ratio to detect and locate faults within a set electrical distance of a power line.
Distance transform
The distance transform assigns each point of a binary image the distance to the nearest object pixel, under metrics like Euclidean or city-block, supporting skeletonization, segmentation, and path planning.