Glossary

Searchable terminology from accessibility, web standards, and related fields.

40 results found in Sign Language.

ASL Dictionary (Sign Language Dictionary, ASL Lexicon)
A reference resource for looking up American Sign Language signs and their meanings. Unlike dictionaries for written languages, ASL dictionaries face unique challenges because signs cannot be typed as…
ASL Gloss (Sign Language Gloss, Glossing)
A written notation system used to transcribe sign language by representing each sign with an English word written in capital letters. ASL gloss is used primarily for linguistic research, teaching, and…
American Sign Language (ASL, Ameslan)
A complete, natural language that uses hand movements, facial expressions, and body posture to convey meaning, serving as the primary language of many Deaf people in the United States and parts of Can…
Auslan (Australian Sign Language)
Australian Sign Language, the sign language of the Australian Deaf community. Auslan is a natural language with its own grammar and lexicon, unrelated to English and distinct from American Sign Langua…
Bangla Sign Language (BdSL, Bangladeshi Sign Language)
The sign language used by the d/Deaf and hard-of-hearing community in Bangladesh. BdSL has distinct grammatical structures, vocabulary, and regional variation that differ from American Sign Language (…
Chinese Sign Language (CSL, Zhongguo Shouyu)
Chinese Sign Language (CSL) is the primary sign language used by the deaf community in mainland China. Like all sign languages, CSL has its own grammar, syntax, and vocabulary that are distinct from s…
Chroma Key (Green Screen, Blue Screen, Chroma Keying)
A video-post-production technique in which a solid, uniformly coloured background (often green or blue) is replaced with another image, video, or transparency using colour-matching software. In access…
Classifier Predicates (CL Predicates, Classifiers)
A type of sign language construction in which signers use their hands to represent the location, movement, size, shape, and spatial relationships of objects and people. Classifier predicates are among…
CyberGlove (CyberGlove II)
A wearable motion-capture device in the form of a lightweight, elastic glove instrumented with bend sensors that measure the angles of finger joints during hand movement. CyberGloves are widely used i…
Eye-Gaze in Sign Language (Eye Gaze, Gaze Direction)
The use of eye direction and movement as a grammatical and communicative feature in sign languages. In American Sign Language and other sign languages, eye-gaze serves multiple linguistic functions in…
Facial Expressions in Sign Language (Non-Manual Markers, Non-Manual Signals, NMMs)
Meaningful facial movements and configurations that serve grammatical, lexical, and affective functions in sign languages. In American Sign Language, facial expressions are not merely emotional indica…
Fingerspelling (Manual Alphabet, Dactylology)
A method of spelling out words letter-by-letter using hand positions that represent each letter of the alphabet. In American Sign Language, fingerspelling uses a one-handed manual alphabet and is prim…
Frame Rate (Frames Per Second, FPS, Frame Frequency)
Frame rate is the number of still images (frames) displayed or captured per second in a video stream, usually measured in frames per second (fps). Common values include 24 fps (cinema), 30 fps (US bro…
French Sign Language (LSF, Langue des Signes Française)
French Sign Language (Langue des Signes Française, or LSF) is the primary sign language used by the Deaf community in France. Legally recognized by the French Handicap Law of 2005 as having educationa…
Key-Frame Animation (Keyframe Animation, Keyframing)
Key-frame animation is a technique in computer graphics where an animator defines specific poses or states (key frames) at particular points in time, and the computer automatically generates the inter…
Korean Sign Language (KSL, Suhwa)
The primary sign language of the Deaf community in South Korea, with its own grammar, vocabulary, and regional variation, and legally recognized as an official language of Korea under the Korean Sign …
Langue des Signes Québécoise (LSQ, Quebec Sign Language)
The sign language used by the Deaf community in francophone Quebec and in francophone Deaf communities elsewhere in Canada. LSQ is a distinct natural language with its own grammar, lexicon, and cultur…
Low-Resource Sign Language
A sign language for which standardised corpora, training data, technical infrastructure, and institutional support are limited compared to 'high-resource' sign languages like American Sign Language (A…
Milan Congress (Milan Congress of 1880, Second International Congress on Education of the Deaf)
The Milan Congress was an international conference on the education of Deaf children held in Milan in 1880, where hearing educators voted to ban sign language from Deaf schools and impose oralism, the…
Multichannel Signal (Multi-Channel Signal, Parallel Signal Channels)
A communication signal that conveys information simultaneously through multiple independent or semi-independent channels. In the context of sign languages, a multichannel signal includes the concurren…