noun

encyclopedia

in-sigh-kluh-PEE-dee-uh/ɪnˌsaɪkləˈpiːdiə/

A reference work containing articles on many subjects.

The encyclopedia contains articles on everything from insects to astronomy.

A substantial illustrated reference volume lies open beside matching companion volumes.
Etymology

Latin encyclopaedia denoted general instruction and is thought to reflect a misreading of a Greek phrase for a “circle” of education. That comprehensive scope came to describe a reference work covering many subjects.

In context

MoAn Inc.22:08
he wrote this amazing 37 volume encyclopedia of natural history
Who Is Rome’s Most Erotic Poet? Uncovering The Life Of Catullus with Ancient Historian DAISY DUNN

More examples

  • We look up volcanoes in the encyclopedia.
  • The library keeps several encyclopedias near the reference desk.
  • This children's encyclopedia explains science in simple language.

Forms

encyclopedia · encyclopedias

encyclopedic adjective — Covering a wide range of knowledge.

Similar words

compendium
Usually condenses information rather than providing extensive articles on subjects.
almanac
Often organizes facts and statistics by year rather than subject.