Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Language Deprivation(also: Linguistic Deprivation)
- The condition that occurs when children do not receive sufficient accessible language input during critical developmental periods, leading to atypical neural development, cognitive delays, and lifelong mental health challenges. DHH children in hearing families who do not use…
- Language Erasure(also: Linguistic Erasure, Language Flattening)
- The process by which a language's unique characteristics, variations, dialects, and cultural significance are diminished, homogenized, or eliminated — often through the dominance of a majority language or through technologies that oversimplify linguistic complexity. In the…
- Lexical Signing(also: Lexical Sign, LS)
- In American Sign Language and related signed languages, the production of meaning by syntactically combining individual lexical signs drawn from the language's vocabulary — analogous to combining words into sentences in a spoken or written language. Lexical signing is contrasted…
- Lip-reading(also: Speechreading, Speech Reading, Visual Speech Perception)
- The practice of understanding speech by visually interpreting the movements of the lips, face, and tongue, often used by deaf and hard-of-hearing individuals as a communication strategy. Lip-reading relies on watching the mouth region and facial expressions to decode spoken…
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