Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Metaverse
- The metaverse refers to a persistent, interconnected network of virtual and mixed-reality spaces where users can interact, collaborate, and engage with digital content and each other in real time. It extends XR concepts — virtual reality, augmented reality, and mixed reality —…
- Mid-Air Ultrasound Haptics(also: Ultrasound Haptics, Airborne Ultrasound Tactile Display, AUTD)
- A non-contact haptic technology that uses phased arrays of ultrasonic transducers to focus acoustic radiation pressure onto a user's skin, producing tactile sensations in mid-air without any worn or held device. By modulating the intensity, focal-point location, and trajectory…
- Mobile AR(also: Smartphone AR, Handheld AR)
- Augmented reality experiences delivered on commodity smartphones and tablets using the built-in camera, display, inertial sensors, and (increasingly) depth sensors, without specialized AR headsets. Mobile AR platforms such as Apple's ARKit and Google's ARCore provide plane…
- Mobility-as-a-Service(also: MaaS, Transportation-as-a-Service)
- A transportation model that integrates various mobility services (public transit, ridesharing, bike-sharing, car rentals) into a single accessible platform, typically via a smartphone app. For people with disabilities, MaaS platforms offer potential benefits through unified…
- Muscle-Computer Interface(also: MCI (Muscle-Computer Interface), EMG Interface)
- An input modality in which signals generated by muscle contractions — typically recorded via surface electromyography (sEMG) sensors worn on the forearm or other muscle group — are interpreted by a computer to recognise discrete gestures or continuous control signals. Coined by…
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