noun
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a systematized collection of data that can be accessed immediately and manipulated by a data-processing system for a specific purpose
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informal any large store of information
a database of knowledge
Etymology
Origin of database
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.
On Feb. 18, Ms. Russell replied: “Reminder that you can search over 250k news articles for AI slop at . . .” followed by the URL of the Maryland study’s database.
From The Wall Street Journal • Apr. 3, 2026
Forty-eight-year-old retailer Eszter Somfai had her home address shared online, after an internal party database with some 200,000 supporters' personal details was leaked last November.
From Barron's • Apr. 3, 2026
“We think Oracle should be one of the go-to investment names given its AI datacenter business and its core database business,” Moerdler wrote.
From MarketWatch • Mar. 30, 2026
But the wave keeps building: A database of AI hallucinations maintained by the French researcher Damien Charlotin now numbers 1,174 cases, of which some 750 are from U.S. courts.
From Los Angeles Times • Mar. 27, 2026
Now it was just a matter of time before the doctors and nurses looked through the missing-persons database to find him.
From "Zeitoun" by Dave Eggers
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.