a comprehensive collection of related data organized for convenient access, generally in a computer.
Also, data-base, data base.

1965–70; data + base1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
database (ˈdeɪtəˌbeɪs)
1.  a systematized collection of data that can be accessed immediately and manipulated by a data-processing system for a specific purpose
2.  informal any large store of information: a database of knowledge

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
database   (dā'tə-bās', dāt'ə-)  Pronunciation Key 
A collection of data arranged for ease and speed of search and retrieval by a computer.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

database definition

A set of data grouped together in one location in (or accessible by) a computer. A computerized database has been likened to an electronic filing cabinet of information arranged for easy access or for a specific purpose.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Computing Dictionary

database definition

1. One or more large structured sets of persistent data, usually associated with software to update and query the data. A simple database might be a single file containing many records, each of which contains the same set of fields where each field is a certain fixed width.
A database is one component of a database management system.
See also ANSI/SPARC Architecture, atomic, blob, data definition language, deductive database, distributed database, fourth generation language, functional database, object-oriented database, relational database.
Carol E. Brown's tutorial (
2. A collection of nodes managed and stored in one place and all accessible via the same server. Links outside this are "external", and those inside are "internal".
On the World-Wide Web this is called a website.
3. All the facts and rules comprising a logic programming program.
The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
Make sure it gets included in our campus-architecture database.
The database should also show clearly what the survival rates are for each
  major type of treatment for each stage of cancer.
Explore this searchable database for information and photographs of reptiles
  and amphibians.
Then they put the hits in a database and compare the new terms to words they
  already have.
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