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.

3,885 terms

AI Fundamentals

Genetic Algorithm

A Genetic Algorithm is a search heuristic that mimics the process of natural selection to generate high-quality solutions to optimization and search problems.

Natural Language Processing (NLP)

Gensim

Gensim is an open-source library for unsupervised topic modeling and natural language processing (NLP) using algorithms like Word2Vec and Latent Dirichlet Allocation.

Other

Geo-tagging

Geo-tagging is the process of adding geographical identification metadata to digital content such as photos, videos, or social media posts.

Data & Analytics

Geocoding

Geocoding is the process of converting addresses or place names into geographic coordinates like latitude and longitude.

Data & Analytics

Geographic Information System

Geographic Information System is a computer-based tool that captures, stores, analyzes, and visualizes spatial or geographic data to help users understand patterns and relationships in the physical world.

Data & Analytics

Geohash

Geohash is an alphanumeric string encoding a geographic location into a compact, hierarchical representation for spatial indexing and search.

Data & Analytics

GeoJSON

GeoJSON is a lightweight, JSON-based format used to represent geographic data structures such as points, lines, and polygons.

Other

Geospatial AI

Geospatial AI is the integration of artificial intelligence techniques with geographic data to analyze, interpret, and predict spatial patterns and phenomena.

Data & Analytics

Geospatial Analysis

Geospatial analysis is the process of collecting, visualizing, and interpreting data related to geographic locations to uncover patterns and relationships.

Data & Analytics

Geospatial Indexing

Geospatial indexing is a method of organizing and querying spatial data based on geographic coordinates to enable efficient location-based searches.

Data & Analytics

Geostatistics

Geostatistics is the branch of statistics focused on analyzing and modeling spatial or geographical data to understand patterns and make predictions.

Computer Vision

Gesture Recognition

Gesture recognition is a technology that interprets human hand or body movements to enable natural interaction with digital devices.

Generative AI

Get3D

Get3D is a technology and platform focused on generating, manipulating, and optimizing 3D models using advanced algorithms and AI-powered tools.

Deep Learning & Neural Networks

GhostNet

GhostNet is a sophisticated cyber espionage operation that targeted government and private organizations worldwide, primarily focusing on stealing sensitive information.

Generative AI

Ghostwriter

A ghostwriter is a professional writer who creates content on behalf of another person, often without public credit.

Other

Gift Recommendation Algorithm

A Gift Recommendation Algorithm is a software method designed to suggest personalized gift ideas based on user preferences, behaviors, and contextual data.

Other

Gift Recommendation Algorithms

Gift recommendation algorithms are computer programs designed to suggest personalized gift ideas based on user preferences, behavior, and data patterns.

Other

Gift Recommendation Engine

A Gift Recommendation Engine is a software tool that uses algorithms and data analysis to suggest personalized gift ideas based on user preferences and behavior.

Machine Learning

Gini Impurity

Gini Impurity is a measure of how often a randomly chosen element from a set would be incorrectly labeled if it was randomly labeled according to the distribution of labels in the set.

MLOps & Infrastructure

GitHub Actions

GitHub Actions is a powerful automation platform integrated into GitHub that enables developers to create custom workflows for continuous integration and continuous delivery (CI/CD).

MLOps & Infrastructure

GitLab CI

GitLab CI is a continuous integration and delivery tool built into GitLab that automates the testing, building, and deployment of code.

MLOps & Infrastructure

GitOps

GitOps is a modern operational framework that uses Git repositories as the single source of truth for managing and automating infrastructure and application deployments.

Other

Glassbox Model

Glassbox Model is an AI or machine learning approach designed to provide transparent, interpretable, and understandable decision-making processes.

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.