Glossary

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

6660 terms — page 87 of 333

Deaf digital library (Sign language archive, Deaf digital heritage)
A collection of video content in sign languages that preserves and provides access to Deaf community knowledge, culture, experiences, and opinions. Video sharing platforms like YouTube function as de-…
Deaf-Accented Speech (Deaf Accent, Deaf-Accented English)
Speech produced by Deaf or Hard of Hearing people whose articulation, prosody, and voicing patterns differ from typical hearing speakers because the speaker has limited or no auditory feedback for the…
DeafSpace (Deaf Space, Deaf architecture)
A set of architectural and environmental design principles developed by architect Hansel Bauman in collaboration with the Deaf community at Gallaudet University, grounded in the sensory and spatial ex…
DeafSpace (Deaf Space, Deaf Geography)
A design philosophy and set of architectural and spatial principles developed from understanding how deaf people experience and navigate physical and digital environments. DeafSpace considers factors …
Deafblind (Deaf-Blind, Deafblindness, Dual Sensory Loss)
A condition involving combined hearing and vision loss that significantly affects communication, access to information, and mobility. Deafblindness is not simply the sum of deafness and blindness — it…
Deafblindness (Deaf-Blindness, Dual Sensory Impairment, Combined Vision and Hearing Loss)
Deafblindness is a combined vision and hearing impairment that creates unique challenges beyond those associated with either sensory loss alone. It is not simply the sum of deafness and blindness — th…
Deafhood
A concept introduced by Paddy Ladd that reframes Deaf identity as a process of becoming and self-actualization rather than a medical condition to be fixed. Deafhood emphasizes the possibilities and ri…
Deafness
A hearing loss profound enough that a person cannot rely on hearing as the primary channel for language and environmental awareness, typically defined audiologically as a loss of 90 decibels or more i…
Debiasing (Bias mitigation, Bias correction)
Debiasing refers to techniques and processes applied to AI systems—particularly machine learning models and large language models—to detect, reduce, or eliminate unfair biases that cause the system to…
Debounce (Debounce Filter, Key Debounce, Bounce Key Filter)
A keyboard accessibility feature that filters out unintended extra keypresses caused by tremor or imprecise motor control. When enabled, the system ignores rapid successive activations of the same key…
Decentralized Autonomous Organization (DAO, Decentralised Autonomous Organisation)
A decentralized autonomous organization (DAO) is an internet-native collective governed by rules encoded in smart contracts on a blockchain, rather than by a centralized management hierarchy. Members …
Decimal System (Base-10 System, Decimal Number System)
The standard numeral system using ten digits (0-9) where the value of each digit depends on its position, with each position representing a power of ten. Understanding the decimal system requires gras…
Decision Confidence
A reframing of accessibility as whether a user can judge product suitability, transaction risk, and information trustworthiness well enough to act independently — introduced by Ryskeldiev et al. (2026…
Decision Delay (Cognitive Delay, Selection Delay)
The time a user spends deciding whether to accept or reject a suggestion from a predictive system, such as a word prediction list on an assistive technology device or keyboard. Decision delay is a cog…
Decision Fatigue (Choice Overload, Decision Exhaustion)
The deteriorating quality of decisions made by an individual after a long session of decision-making, or when confronted with too many choices simultaneously. Decision fatigue disproportionately affec…
Decision Tree (Classification Tree, Regression Tree, C4.5, CART)
A decision tree is a supervised machine-learning model that represents a classification or regression decision as a tree of yes/no tests on input features, with predictions at the leaves. Well-known a…
Decision-Theoretic Planning (Decision-Theoretic Approach)
A computational approach to planning that uses mathematical models of decision-making under uncertainty, most commonly Markov Decision Processes (MDPs), to select optimal actions based on the current …
Decoding (Word Decoding, Phonetic Decoding)
The process of translating written symbols (letters or graphemes) into their corresponding sounds (phonemes) to recognize and read words. Decoding is a foundational reading skill described in the Simp…
Decolonial Computing (Decolonial AI)
An evolution of postcolonial computing that moves beyond critique to explore practices and pedagogies that center the voices, knowledge, and experiences of marginalized communities in technology desig…
Decolonial Learning (Decolonial Design Practice)
A preparatory and ongoing phase in community-based research in which researchers — typically affiliated with Global North institutions or corporations — work to understand the historical, political, a…