laptop

[lap-top] Origin

lap·top

[lap-top]
noun
a portable, usually battery-powered microcomputer small enough to rest on the user's lap.

Origin:
1980–85; lap1 + top1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Laptop is always a great word to know.
So is callithumpian. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
Collins
World English Dictionary
laptop or laptop computer (ˈlæpˌtɒp)
 
n
Compare palmtop computer a personal computer that is small and light enough to be operated on the user's lap
 
laptop computer or laptop computer
 
n

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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Etymonline
Word Origin & History

laptop
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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American Heritage
Cultural Dictionary

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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FOLDOC
Computing Dictionary

laptop definition


portable computer

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Dictionary.com, LLC. Copyright © 2012. All rights reserved.
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