encyclopedia

noun

en·​cy·​clo·​pe·​dia in-ˌsī-klə-ˈpē-dē-ə How to pronounce encyclopedia (audio)
: a work that contains information on all branches of knowledge or treats comprehensively a particular branch of knowledge usually in articles arranged alphabetically often by subject

Examples of encyclopedia in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While a recession indicator entry was added to the digital culture encyclopedia Know Your Meme only this month, the jokes have tracked back to at least 2019. Alex Harring, CNBC, 27 Mar. 2025 Gaia has charted the cosmos since 2014, creating a vast encyclopedia of the positions and movements of celestial objects in our Milky Way and beyond. Katrina Miller, New York Times, 27 Mar. 2025 The report from the Jewish civil rights group comes amid broader tension among users and observers of the online encyclopedia over how the Israel-Hamas war should be covered on the site, with editors quarrelling over how to describe events related to the conflict. Clare Duffy, CNN, 20 Mar. 2025 While there are many books about the Israeli-Palestinian conflict, the shop also offers a diverse selection of literature from around the world, including classics, encyclopedias, cookbooks and books on architecture. Britt Clennett, ABC News, 6 Mar. 2025 See All Example Sentences for encyclopedia

Word History

Etymology

Medieval Latin encyclopaedia course of general education, from Greek enkyklios + paideia education, child rearing, from paid-, pais child — more at few

First Known Use

1644, in the meaning defined above

Time Traveler
The first known use of encyclopedia was in 1644

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Cite this Entry

“Encyclopedia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/encyclopedia. Accessed 19 Apr. 2025.

Kids Definition

encyclopedia

noun
en·​cy·​clo·​pe·​dia
variants also encyclopaedia
in-ˌsī-klə-ˈpēd-ē-ə
: a work that contains information on all subjects or one that covers a certain subject thoroughly usually with articles arranged alphabetically
Etymology

from Latin encyclopedia "course of general education," from Greek enkyklios "general, all-around," literally, "circular" and Greek paideia "education, child rearing"

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