// AI Glossary A–Z

Every AI term, defined.

A living dictionary of 109 AI concepts — from foundational terms to cutting-edge techniques. Search or browse alphabetically.

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CONCEPT
Activation Function — What It Is, Why Neural Networks Cannot Work Without It
An activation function is a mathematical formula inside each neuron of a neural network that…
CONCEPT
Agentic AI — What It Is, How It Works & Why It Is the Biggest Shift in AI Since ChatGPT
Agentic AI is AI that acts — not just responds. Instead of answering a question,…
CONCEPT
AI Bias — What It Is, Where It Comes From & Why It Is One of AI’s Most Urgent Problems
AI bias is when an AI system produces systematically unfair outputs because it learned from…
CONCEPT
Algorithm
An algorithm is a step-by-step set of instructions that tells a computer how to solve…
CONCEPT
Anomaly Detection — What It Is, How It Works & Why It Catches Problems Before They Escalate
Anomaly detection is AI that learns what normal looks like in your data — then…
CONCEPT
API (Application Programming Interface)
An API (Application Programming Interface) is a set of rules that lets two software systems…
CONCEPT
Artificial General Intelligence (AGI) — What It Is, What It Isn’t, and Where We Actually Stand
⚡ AGI is a machine that can learn, reason, and perform any intellectual task a…
CONCEPT
Artificial Intelligence (AI) — What It Is, How It Works & Why It Changes Everything
Artificial Intelligence (AI) is technology that enables machines to learn from data, recognise patterns, and…
CONCEPT
Artificial Neural Network (ANN) — What It Is, How It Works & Why It Powers All Modern AI
TL;DR: An Artificial Neural Network is a computer system loosely inspired by the human brain.…
CONCEPT
AutoML (Automated Machine Learning)
AutoML (Automated Machine Learning) is technology that automatically builds, selects, and optimises machine learning models…
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