encyclopaedia

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty

Etymology

Borrowed from New Latin encyclopaedia; the English word is an etymologically restored spelling variant of earlier encyclopedia, q.v.

In classic literature

Synonyms

encyclopedia, cyclopedia, cyclopaedia

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