Dictionary.com

nano

[ nan-oh, ney-noh ]
/ ˈnæn oʊ, ˈneɪ noʊ /

noun

Informal. nanotechnology.

QUIZZES

BECOME A PRO CHEF WITH THIS EXQUISITE CUISINE QUIZ!

Even if you can't be a professional chef, you can at least talk like one with this vocabulary quiz.
Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
To cook in water, just below boiling temperature.
TAKE THE QUIZ TO FIND OUT

Origin of nano

By shortening

Words nearby nano

nanny cam, nannygai, nanny goat, nanny state, nanny tax, nano, nanobe, nanobot, nanocephaly, nanocormia, nanodot

Definition for nano (2 of 2)

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 of nano-

Combining form representing Greek nânos, nánnos dwarf
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for nano

British Dictionary definitions for nano

nano-

combining form

denoting 10 –9nanosecond Symbol: n
indicating extreme smallnessnanoplankton

Word Origin for nano-

from Latin nānus dwarf, from Greek nanos
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for nano

nano-

pref.

Extremely small:nanoid.
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.

Scientific definitions for nano

nano-

A prefix that means:
Very small or at a microscopic level, as in nanotube. In this sense, this prefix is sometimes spelled nanno-, as in nannoplankton.
One billionth, as in nanosecond, one billionth of a second.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for nano

nano-

A prefix meaning one billionth.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.