EducationSunday, May 10, 2026· 2 min read

AI Terms Explained: A Friendly Glossary to Make Sense of the Jargon

TL;DR

This TechCrunch glossary breaks down key AI terms and concepts in plain language, helping readers move from confused nods to confident conversations. By demystifying phrases like 'hallucinations', 'fine-tuning', and 'inference', it empowers more people to engage with AI thoughtfully and safely.

Key Takeaways

  • 1Clear definitions turn confusing AI jargon into usable knowledge for everyday readers.
  • 2Understanding core terms reduces misinformation and helps people evaluate AI tools more critically.
  • 3The glossary supports informed decisions by developers, business leaders, and the general public.
  • 4Learning a few central concepts (e.g., models, training, inference, hallucinations) unlocks better AI literacy.

Why this glossary matters

TechCrunch's AI glossary offers plain-language definitions of the most common terms you’ll encounter when reading about or using AI. As AI moves into products, workplaces, and everyday life, a concise reference helps people spot hype, ask better questions, and make smarter choices about tools and policies.

What you’ll get

The guide covers foundational concepts like models, training, fine-tuning, and inference, plus practical topics such as hallucinations, prompting, and bias. Each entry is written to be accessible to non-experts so readers can quickly grasp how these ideas affect real-world applications.

Practical benefits

With this glossary, developers can communicate more clearly with stakeholders, managers can make better procurement and risk decisions, and everyday users can assess when a tool is appropriate for a task. The result is smarter adoption of AI and fewer misunderstandings.

Quick reference

  • Hallucinations: When a model generates false or fabricated information — important to know when verifying outputs.
  • Fine-tuning: Adapting a pretrained model to perform better on a specific task or dataset.
  • Inference: The act of running a model to produce an output from input data.

Overall, the glossary is a timely, practical resource that lowers the barrier to AI literacy and encourages safer, more effective use of these powerful technologies.

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