nano

[nan-oh, ney-noh]
noun
Informal. nanotechnology.

Origin:
by shortening

Dictionary.com Unabridged

nano-

a combining form with the meaning “very small, minute,” used in the formation of compound words (nanoplankton ); in the names of units of measure it has the specific sense “one billionth” (10 -9 ): nanomole; nanosecond.
Also, nanno-;, especially before a vowel, nan-.


Origin:
combining form representing Greek nânos, nánnos dwarf

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
nano-
 
combining form
1.  n denoting 10--9: nanosecond
2.  indicating extreme smallness: nanoplankton
 
[from Latin nānus dwarf, from Greek nanos]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

nano- pref.

  1. Extremely small: nanoid.

  2. One-billionth (10-9): nanometer.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
nano-  
  1. A prefix that means:

  2. Very small or at a microscopic level, as in nanotube. In this sense, this prefix is sometimes spelled nanno-, as in nannoplankton.

  3. One billionth, as in nanosecond, one billionth of a second.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

nano definition


A prefix meaning one billionth.

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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Example sentences
So you could see lab-grown diamonds at the nano scale.
It is easy to produce and costs a fraction of what nano materials are costing now.
The group's nano cables boast a combination of properties that's so far unprecedented.
At the nano scale, materials take on unusual properties.
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