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1.
(n.) -- an e-book composed in or converted to a digital format for display on a computer screen or handheld device; first there were hardbacks and paperbacks, now there are ebacks
"I just ordered Stephen King's latest novel in digital format. For me, an eback is just as a good as a paperback book, even better, because I can store it for use anytime anywhere and read it off a variety of screens."

-- overheard at a watercooler in a bookstore in Chicago on March 24, 2010
by PRwiz101 April 04, 2010
http://www.urbandictionary.com/define.php?term=eback&defid=4858000
www.urbandictionary.com
crawl=CC-MAIN-2014-42
41496
application/http; msgtype=response
sha1:MXU6SW5UIN7ZOLVUJ6ZMPFMU6CNKPL44
<urn:uuid:71e5c306-da7d-43b3-b144-85a97d3138d6>
2014-10-25T05:30:19Z
23.235.46.207
sha1:2LR6SB3MV4WYAZP74QGZTF5XMHNS6JLG
<urn:uuid:f8488bd8-9764-4f0f-900b-4dec99463e1a>
http://www.urbandictionary.com/define.php?term=eback&defid=4858000
response
<urn:uuid:c606d19b-6bca-477e-8c56-3ee19e4db09d>
robots: classic
hostname: ip-10-16-133-185.ec2.internal
software: Nutch 1.6 (CC)/CC WarcExport 1.0
isPartOf: CC-MAIN-2014-42
operator: CommonCrawl Admin
description: Wide crawl of the web with URLs provided by Blekko for October 2014
publisher: CommonCrawl
format: WARC File Format 1.0
conformsTo: http://bibnum.bnf.fr/WARC/WARC_ISO_28500_version1_latestdraft.pdf