AI Glossary: 3,885 terms, defined

Plain-language definitions of the vocabulary used across machine learning, model architectures, tooling and AI safety. Every entry opens with a one-sentence definition, then explains where the term is used.

42 terms

Other

Wake Word

A wake word is a specific voice command that activates a voice-activated device or assistant to start listening and processing user input.

Other

Wallet Integration

Wallet Integration is the process of connecting digital payment wallets to websites or applications to enable seamless transactions and user authentication.

Generative AI

Watermarking

Watermarking is the process of embedding a visible or invisible mark into digital content to assert ownership or protect intellectual property.

Computer Vision

Watershed Algorithm

Watershed algorithm is a technique in image processing used to segment regions by treating pixel intensities as elevations in a topographic surface.

Other

Wearable AI

Wearable AI is artificial intelligence technology integrated into wearable devices to provide real-time data processing, personalized insights, and enhanced user interaction.

AI Agents & Systems

Web Services

Web Services are standardized software systems designed to support interoperable machine-to-machine communication over the internet.

Generative AI

Web3

Web3 is the next generation of the internet that emphasizes decentralization, blockchain technology, and user ownership of data and digital assets.

Other

Webcam Tracking

Webcam tracking is the technology that uses a webcam to monitor and analyze the movement or behavior of users or objects in real time.

AI Agents & Systems

Webots

Webots is a professional open-source robot simulation software used for designing, programming, and testing virtual robots in 3D environments.

Generative AI

Website Generation

Website generation is the process of creating and assembling web pages and content to build a functional and accessible website.

Other

Whisper AI

Whisper AI is an advanced automatic speech recognition system designed to convert spoken language into accurate written text.

Computer Vision

White Balance

White Balance is the camera setting that adjusts colors to make white objects appear truly white under different lighting conditions.

AI Fundamentals

White Box

White Box is a software testing method where the tester has full knowledge of the internal workings of the application.

Data & Analytics

Wide-Column Store

Wide-Column Store is a type of NoSQL database that organizes data into flexible, column-oriented tables designed for handling large-scale, distributed datasets efficiently.

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About the TiorAI AI Glossary

The TiorAI AI Glossary is a free reference of 3,885 artificial intelligence terms, each defined in plain English. Every entry opens with a one-sentence definition that stands on its own, then explains where the term is actually used and how it sits next to the ideas around it. There is nothing to sign up for and nothing to download: each definition has its own page and its own URL, so a term you needed once can be linked to and found again.

Three ways to find a term

They combine, and none of them cancels the others. The A to Z strip narrows the index to a single initial, with the # key collecting the entries that begin with a digit or a symbol and that no letter would reach. The category filter cuts the glossary to one of sixteen subject areas, among them Machine Learning, Deep Learning and Neural Networks, Natural Language Processing, Computer Vision, Generative AI, Reinforcement Learning, AI Agents and Systems, MLOps and Infrastructure, Data and Analytics, and AI Ethics. The search field matches names and definitions, so a concept you can only half-name still surfaces. Every combination has its own URL, which means a narrowed view can be bookmarked or sent to a colleague.

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What the definitions cover

The vocabulary of modern AI, at the three depths people arrive needing. The fundamentals a first week runs into — model, parameter, training, inference, overfitting. The architecture behind current systems — transformers, attention, embeddings, diffusion, retrieval-augmented generation. And the operational and governance language that turns up in a procurement review or a policy document — fine-tuning, hallucination, alignment, model drift, bias. Terms are defined as they are used in practice rather than as they appear in a paper abstract.

Definitions that answer first

Each entry leads with the answer. The opening sentence says what the term means without assuming the rest of the page, which is what makes an entry useful to someone who arrived from a search with exactly one question. The explanation underneath is for the reader who wants more than that: what the idea is commonly confused with, what it looks like in practice, and which neighbouring terms are worth reading next. The card in the index above shows the opening of that definition, so you can tell from the results whether an entry is the one you want.

Where the glossary fits

A glossary answers what something means; it is not the place that tells you what to do about it. Where a concept has products behind it, the AI tools directory is where they are listed, and where it has a working instruction behind it, the prompt library is where that lives. Entries link out to those when the link earns its place, and the glossary stays what a glossary is — the definitions, ordered so they can be browsed, and written so a single one can be read on its own.

Using this glossary

How is the glossary ordered?

Alphabetically by term name, which is the order a reference work is browsed in and the order every page of this archive has always used. The sort menu can switch it to reverse alphabetical, or to recently added and recently updated if you want to see what has changed.

What does the letter strip do?

It narrows the index to terms whose name begins with that character, and it keeps whatever else you have set — a category filter, a search, a sort — so you can move between letters without starting again. The # entry collects the terms that begin with a digit or a symbol, which no letter would reach.

Why do some terms have no specific category?

Entries that span several areas, or that predate the current category set, sit under “Other”. It holds a large share of the glossary, so the filter is most useful for narrowing to a named topic rather than for excluding one.

What is in a glossary entry?

A short definition in plain language, then a longer explanation of where the term is used and how it relates to neighbouring concepts. The card above shows the opening of that definition; the entry itself also links to related terms and, where relevant, to the AI tools that implement the idea.

How do I search the glossary?

The field at the top matches term names and definitions, so a concept you can only half-name will usually surface. Search combines with the category filter and the letter strip, and every combination has its own URL, so a narrowed view can be bookmarked or shared.