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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.


(ˈsʌbˌnoʊt bʊk)
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 ?
An Ultrabook is a high-end subnotebook as defined by Intel, which are lighter and thinner but do not take away computing performance.
In the face of many naysayers, Taiwan-based Asus announced the EeePC 701 subnotebook in June 2007 for a price of $199.
"I think it's going to be a challenge and will require some heavy marketing to get people to accept it."<p>Shim admits he's grown a bit jaded after seeing all of the variants on the basic subnotebook PC that vendors tried unsuccessfully for years to hype until Asus finally struck gold with the Eee netbook in late 2007.<p>"To be honest, there's been a lot of terms that have been thrown around.
_LG Electronics is showing off its X110 Netbook, a smaller, core computing function-oriented subnotebook.
With its small size, the Acer Aspire One Netbook is an ultra lightweight and lean function subnotebook optimised for Internet access and core computing functions.
Consider a netbook, also known as a subnotebook. These little wonders are about the size of a hardcover book, inexpensive (take that, MacBook Air), run Windows and jump online in a snap (allowing you to do all the important things away from the office).
(8,18) The slouched posture of computer users has been studied; the slumped forward posture with associated neck flexion is exaggerated when people use notebook and subnotebook computers, compared to desktop computers, and the viewing distances related to using the smaller computers is diminished, thereby worsening posture.
The Eee PC is a subnotebook computer designed by ASUS and Intel.
Clinicians, including nursing and ancillary staff, can access clinical data via carts mounted with PC laptops, subnotebook wireless computers or PDAs during patient rounds to perform patient documentation or check the patient's condition, including medication orders.
Compared to liquid crystal-based displays (LCDs), this technology offers thinner, lighter, brighter, higher contrast displays with lower power consumption, wider viewing angles, and response times fast enough for video applications, making PLEDs attractive for use in imaging products such as car radios, mobile phones, digital cameras, camcorders, PDAs, games, and subnotebook PCs.