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nano-

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nano-

Symbol: n. A prefix to a unit, indicating a fraction of 10–9 of that unit. For example, one nanometer (symbol: nm) is 10–9 meters.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

nano-

[′nan·ō]
(biology)
A prefix meaning dwarfed.
(mathematics)
A prefix representing 10-9, which is 0.000000001 or one-billionth of the unit adjoined.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

nano-

/nan'oh/ 1. <unit> A prefix meaning 10^-9 or one billionth.

Used loosely to mean "small", e.g. nanotechnology, or (rarely), following "nanosecond", to mean a short time, e.g. "I'll be with you in a nano".
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
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References in periodicals archive
Lyshevski (electrical and computer engineering, Purdue School of Engineering) introduces nano- and microsystems to a wide audience of undergraduate and graduate students, engineers, professionals, and researchers in nano- and microengineering, science, and technologies.
Nano- and Micro-Electromechanical Systems: Fundamentals of Nano- and Microengineering, 2d ed
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