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.

160 terms

Natural Language Processing (NLP)

Text Normalization

Text normalization is the process of converting text into a consistent, standardized format to improve its readability, processing accuracy, and compatibility for tasks such as natural language processing, search indexing, and data analysis.

Other

Text Prediction

Text prediction is a technology that anticipates the next word or phrase a user intends to type based on context and patterns.

Other

Text Prompt

A text prompt is a written instruction or input used to guide an AI or creative process in generating content or responses.

Other

Text to Image

Text to Image is a technology that converts written descriptions into visual images using artificial intelligence.

Other

Text to Image Conversion

Text to Image Conversion is the process of transforming written text into visual images using software or algorithms.

Other

Text-to-3D

Text-to-3D is a technology that converts written descriptions into three-dimensional models using artificial intelligence.

Other

Text-to-3D Generation

Text-to-3D Generation is a technology that creates three-dimensional models from natural language descriptions.

Other

Text-to-Animation

Text-to-Animation is a technology that converts written text into animated visual content automatically.

Generative AI

Text-to-Audio

Text-to-Audio is a technology that converts written text into spoken words using digital voice synthesis.

Other

Text-to-Audio Synthesis

Text-to-Audio Synthesis is the technology that converts written text into spoken audio using computer-generated voices.

Generative AI

Text-to-Code

Text-to-Code is a technology that converts natural language descriptions into functional computer code automatically.

Generative AI

Text-to-Image

Text-to-Image is a technology that converts descriptive text into visual images using artificial intelligence.

Other

Text-to-Image AI

Text-to-Image AI is artificial intelligence technology that generates visual images based on descriptive text input.

Other

Text-to-Image Generation

Text-to-image generation is a technology that creates visual images based on descriptive text input.

Other

Text-to-Image Models

Text-to-image models are AI systems that generate visual images based on descriptive textual input.

Other

Text-to-Image Synthesis

Text-to-Image Synthesis is a technology that generates visual images from descriptive textual input.

Other

Text-to-Music

Text-to-Music is a technology that converts written text into musical compositions using algorithms and artificial intelligence.

Other

Text-to-Music AI

Text-to-Music AI is an artificial intelligence technology that generates music compositions based on textual descriptions or prompts.

Other

Text-to-Music Conversion

Text-to-Music Conversion is the process of transforming written text into musical compositions using artificial intelligence or algorithmic techniques.

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.