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[lap-top] /ˈlæpˌtɒp/
a portable computer, usually battery-powered, small enough to rest on the user's lap and having a screen that closes over the keyboard like a lid.
Compare tablet (def 6).
Also called laptop computer.
Origin of laptop
1980-85; lap1 + top1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for laptop computer


a personal computer that is small and light enough to be operated on the user's lap Compare palmtop computer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for laptop computer


also lap-top, as a type of portable computer, 1984, from lap (n.) + top (1), on model of desktop.

Online Etymology Dictionary, © 2010 Douglas Harper
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laptop computer in Culture

laptop definition

A portable, compact personal computer that can run on a battery.

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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laptop computer in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010
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