encyclopedia

Pronunciation

• Audio (US)

  (file)

Noun

Singular encyclopedia

Plural encyclopedias or encyclopediae

Some books of an encyclopedia

1. An encyclopedia is a type of book that has information about many things. Often, an encyclopedia is a set of many books and can either be about a specific subject or a range of subjects.

   Wikipedia is an online encyclopedia and is the world's largest.

   I went to the library to find an encyclopedia on chemistry.

Related words

• encyclopedic