# retrieval-augmented generation

CEFR C1 · Noun

Source: https://englishreference.com/word/retrieval-augmented-generation
Updated: 2026-09-18

## Definition

A method where an AI looks up information first, then uses it to write a better answer.

For teachers: A technique that combines information retrieval from an external source with generative modeling to produce grounded responses.

## Examples

- Retrieval-augmented generation can reduce errors caused by missing information.
- The application uses retrieval-augmented generation to answer questions about company documents.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.