---
title: Vector Database – AI Abstraction
canonical_url: https://ai-abstraction.com/glossary/vector-database/
description: A specialized way of storing documents that lets an AI agent search by meaning, not just by matching exact words.
last_modified: 2026-07-29
---

Glossary

# Vector Database

A specialized way of storing documents that lets an AI agent search by meaning, not just by matching exact words.

A vector database stores documents in a format that captures their meaning, not just their exact wording, so an AI agent can find the most relevant passage even if a question is phrased differently than the source text. It’s a technical piece behind Retrieval-Augmented Generation (RAG) that most business owners never need to see directly.

[See every term in the glossary](/glossary/)

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