Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 56 of 333
- Chemical Markup Language (CML)
- An XML-based markup language for representing chemical information including molecular structures, reactions, spectra, and other chemical data in a machine-readable format. CML encodes atoms, bonds, a…
- Chernoff Faces (Chernoff's Faces)
- A visualisation technique introduced by Herman Chernoff in 1973 that represents multivariate data by mapping each data variable to a facial feature — eye size, eye spacing, nose length, mouth curvatur…
- Chest-Mounted Camera (Body-Worn Camera, Torso Camera)
- A wearable camera mounted on the user's chest or torso to capture a first-person perspective of activities. In accessibility research, chest-mounted cameras are used to record BLV users' daily activit…
- Chiari Malformation (Arnold-Chiari Malformation)
- A structural condition in which brain tissue extends into the spinal canal, which can cause a range of neurological symptoms including headaches, balance issues, and vision problems such as blurred or…
- Child Agency
- Child agency is a child's capacity to initiate, shape, direct, and sustain activities - including play, conversation, and social interaction - rather than passively accepting adult or peer control. In…
- Child Behavior Checklist (CBCL, K-CBCL)
- A standardised parent-report assessment tool used to evaluate behavioural and emotional problems in children aged 6-18. It measures internalising problems (anxiety, withdrawal, somatic complaints) and…
- Childhood apraxia of speech (CAS, Developmental verbal dyspraxia, DVD)
- A motor speech disorder in which the brain has difficulty planning and coordinating the precise movements of the tongue, lips, jaw, and palate needed for intelligible speech. Unlike other speech disor…
- Children with Vision Impairments (CVI, Students with Visual Impairments, Blind Students)
- Children and young people who are blind or have low vision, requiring adapted educational approaches including Braille instruction, tactile learning materials, audio resources, and assistive technolog…
- Chinese Natural Sign Language (CNSL)
- Chinese Natural Sign Language (CNSL) is the language used by roughly twenty million Deaf and Hard-of-Hearing people in China. Unlike Chinese Sign Language (CSL) — an artificial, school-and-broadcast s…
- 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…
- Choice-Making (Choice Board, Aided Choice)
- A structured communication and learning strategy in which an individual is presented with two or more options and supported to make a selection, often using pictures, objects, or symbols. Choice-makin…
- Chord Entry (Chording, Chord Input, Chordal Input)
- A method of text input where multiple keys are pressed simultaneously to produce a single character, rather than pressing keys sequentially. In braille keyboards such as the Perkins Brailler, chord en…
- Chording Keyboard (Chord Keyboard, Chorded Keyboard, Chording Input)
- A text input device that generates characters by pressing multiple keys or moving multiple inputs simultaneously rather than pressing individual keys sequentially as on a standard keyboard. Similar to…
- Choropleth Map (Thematic Map, Shaded Map)
- A type of thematic map in which geographic areas are shaded or patterned in proportion to a statistical variable, such as population density, income level, or unemployment rate. Darker or more intense…
- 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…
- Chrome Web Store (CWS)
- Google's official marketplace for Chrome browser extensions, themes, and applications, organised into 18 categories including Accessibility, Privacy & Security, Productivity, and Shopping. Extensions …
- ChromeVox (ChromeVox Classic)
- ChromeVox is an open-source screen reader developed by Google, built as a Chrome browser extension and serving as the default screen reader for Chrome OS (Chromebooks). Unlike traditional screen reade…
- Chronic Condition (Chronic Health Condition, Long-Term Condition)
- A health condition that persists over time, typically lasting a year or more and requiring ongoing medical attention or limiting activities of daily living. Chronic conditions include both chronic ill…
- Chronic Disease (Chronic Condition, Long-term Condition)
- A chronic disease is a health condition that persists for a year or more, requires ongoing medical attention, and limits daily activities. Examples include diabetes, heart disease, asthma, hypertensio…
- Chronic Fatigue Syndrome (CFS, ME/CFS, Myalgic Encephalomyelitis)
- A complex, long-term condition characterised by profound fatigue not relieved by rest, post-exertional malaise, cognitive difficulties ("brain fog"), and often sleep disturbance and pain. CFS is an in…