Definition of "nano-" [nan•o-]

• Extremely small: nannoplankton. (prefix)
• One billionth (10-9): nanosecond. (prefix)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The Numbers Guy Blog Radiation Numbers in Damaged Japan Plant Becquerels, grays and sieverts all are internationally accepted units that quantify different aspects of radiation, while micro- and nano- are prefixes denoting one-millionth and one-billionth, respectively."
• "While most of the early passive LCD 3D TV announcements have been for sets that use edge LED backlights, LG's Nano technology employs a film with nano- micro- size dots across the entire LCD panel in front of a full-array LED backlight."
• "The company was originally called Nanofluidics, but Turner had concluded the nano- prefix was no longer a mark of a quality company."