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Definitions

encyclopedia

[en-sahy-kluh-pee-dee-uh] / ɛnˌsaɪ kləˈpi di ə /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As a child, he came across a page in an encyclopedia featuring Neil Armstrong and the picture of an astronaut on the Moon from the 1969 Apollo mission.

From BBC • Apr. 2, 2026

The decision arrives not a moment too soon for the online encyclopedia, which has seen a deluge of hallucination-prone A.I.-written articles since ChatGPT’s launch.

From Slate • Apr. 1, 2026

“I found the encyclopedia at the Underground,” he explains, of the DuBois work that became central to “Blknws.”

From Los Angeles Times • Mar. 4, 2026

"It is precisely this deliberate openness and community model that upholds the neutrality and trustworthiness essential for a global encyclopedia: no single individual, company, or agenda can exert influence over the work."

From Barron's • Nov. 14, 2025

I took paper, carbon, typewriter, pencils, notebooks, and not only those but dictionaries, a compact encyclopedia, and a dozen other reference books, heavy ones.

From "Travels with Charley in Search of America" by John Steinbeck