DadgogoAI Dictionary

Dictionary entry

vector database

noun \ˈvek-tər ˈdā-tə-ˌbās\

also vector store

TopicPrompting & Context Senses1
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Definition of vector database

  1. : a database built to store embeddings and quickly find the ones most similar to a query, used for semantic search and RAG

    • We loaded every manual into a vector database.
    • A vector database finds 'refund policy' even when the user types 'money back'.

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Related terms

embedding a list of numbers (a vector) that represents the meaning of a piece of text, an image, or… semantic search search that matches the meaning of a query rather than its exact words, usually by comparing… retrieval-augmented generation a technique in which a system first searches a collection of documents for relevant passages… vector an ordered list of numbers; in AI, the form in which models represent words, images, and other…

Cite this entry

"Vector database." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/vector-database/. Accessed 4 Oct. 2026.

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