subnotebook

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Related to ultraportable laptop: Ultrabook

sub·note·book

 (sŭb′nōt′bo͝ok′)
n.
A portable computer that is smaller than a notebook computer.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sub•note•book

(ˈsʌbˌnoʊt bʊk)
n.
a laptop computer smaller and lighter than a notebook, typically weighing less than 5 pounds (2.3 kg).
[1990–95, Amer.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
ASUS is working on improving the experience for mobile creatives and professionals with the new ZenBook Pro Duo an ultraportable laptop featuring ScreenPad Plus, the next generation of the world's first intelligent touchpad.
ASUS ZenBook Pro Duo (UX581) is a new ultraportable laptop featuring the new ASUS ScreenPad(tm) Plus, a revolutionary full-width secondary touchscreen that expands and enhances the interactive capabilities offered by the original ScreenPad.
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