encyclopedia

//ɪnˌsaɪ.kləˈpiː.di.ə//
B2Frequency Level 11Neutral
Visual representation of encyclopedia

Noun

encyclopediaSingular
encyclopediasPlural
1

A comprehensive reference work containing articles on a wide range of subjects or on numerous aspects of a particular field, usually arranged alphabetically.

I looked up information about ancient Rome in the encyclopedia.

2

A complete or exhaustive source of information on a particular subject or area of knowledge.

My grandmother is an encyclopedia of traditional recipes.