Definition of encyclopedia in English:


Syllabification: en·cy·clo·pe·di·a
Pronunciation: /inˌsīkləˈpēdēə
, enˌsīkləˈpēdēə
(also chiefly British encyclopaedia)


A book or set of books giving information on many subjects or on many aspects of one subject and typically arranged alphabetically.
More example sentences
  • If you are unable to find a biography, check an encyclopedia or reference book at your library.
  • Some of my favorite books are old, gorgeously illustrated encyclopedias and atlases.
  • The wooden headboard held many books including, the Bible, a dictionary, encyclopedias, books, songs, and poems she had written.


mid 16th century: modern Latin, from pseudo-Greek enkuklopaideia for enkuklios paideia 'all-around education'.

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