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Definition encyclopedia in British English

encyclopedia noun

[countable] noun
/ɪnˌsaɪkləˈpiːdiə/
1

a reference resource which provides information about many different subjects or about one particular subject. An encyclopedia may be published as a single book, a series of books, or as a digital product such as a website or an app.

Example

an encyclopedia of science

Synonyms and related words
Definition encyclopedia in British English