Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Hate Speech
- Hate speech refers to expression that attacks, demeans, or calls for violence or discrimination against individuals or groups based on protected characteristics such as race, ethnicity, religion, national origin, gender, sexual orientation, or disability status. On digital…
- Hearing Loss(also: Hearing Impairment, Hard of Hearing, Deafness)
- A partial or total inability to hear sounds, ranging from mild hearing loss to profound deafness. Hearing loss can be congenital or acquired, and becomes increasingly common with age, affecting approximately one-third of people over 65. Digital accessibility for people with…
- Hemianopsia(also: Hemianopia, Half-Field Vision Loss)
- Loss of vision in one half of the visual field in one or both eyes, typically caused by damage to the brain's visual pathways rather than the eyes themselves. The most common form is homonymous hemianopsia, where the same half of the visual field is lost in both eyes — for…
- Hemiplegia(also: Hemiparesis)
- Paralysis or severe weakness affecting one side of the body, typically caused by stroke, cerebral palsy, or brain injury. Hemiplegia commonly affects the arm, leg, and sometimes face on either the left or right side. For digital accessibility, users with hemiplegia may operate…
- Hidden Labour of Disability(also: Invisible Work of Disability, Disability Labour)
- The unrecognized time, effort, and energy that disabled people must invest to navigate inaccessible environments, use assistive technologies, manage care relationships, and participate in activities that non-disabled people can do with minimal effort. Examples include spending…
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