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AI Glossary

Discover essential AI terminology to master artificial intelligence. This comprehensive dictionary covers 140+ professional terms from machine learning and deep learning to large language models, each with clear definitions.

Updated on January 1, 2026
15 min read
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AI Glossary: 140+ Terms & Definitions

What is the AI Glossary?

The AI Glossary is a comprehensive dictionary of artificial intelligence (AI) professional terms, containing detailed definitions and plain explanations of 139+ AI-related terms. Whether you are an AI beginner or an experienced practitioner, this glossary can help you quickly understand and master the core concepts and professional terminology in the AI field. This glossary covers all important areas of AI, including core concepts, machine learning methods, model architecture & technology, training & optimization, text processing, image & vision, video & audio, evaluation & performance, data & training, applications, model optimization, deployment & inference, ethics & security, and emerging technologies. Each term is accompanied by a clear definition to help you understand its specific meaning and application scenarios in AI practice.

How to Use This Glossary?

You can use this AI glossary in the following ways: Search Function (enter keywords in the search box to quickly find relevant terms and definitions), Category Browse (click the category buttons at the top to browse related terms by category), Expand/Collapse (click category titles to expand or collapse all terms under that category for quick browsing), Related Articles (each term displays links to related articles below, click to learn more about the detailed application and practical guides for that term). This glossary will be continuously updated, constantly adding new AI terms and concepts to ensure you can access the latest and most comprehensive AI knowledge.

This glossary covers comprehensive terminology from basic concepts to advanced techniques, helping you better understand professional knowledge in related fields.

Continuously Updated

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    AI Glossary: 140+ Key Terms & Definitions | Alignify