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nano

nano

3.7
Put before a word to mean one billionth or very small
  • other
  • /ˈnænoʊ/
  • Specialized
translation icon : nano-
  • Researchers are developing new materials at the nano scale to improve technology.

Drexler called this nano machine nightmare Grey Goo.

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Examples

  • And it's really hard to pump such small amounts of fluids for micro and nano fluidic applications.

  • We can create flowers on the level of nano meters or something that looks like flowers.

  • If you can grow the grain big enough, each of these nano pillar nano wire is a single crystal.

  • A meter is one billionth of a nano meter, which is extremely small.

  • The size of the particles was measured in nano meters to ensure precision.

Synonyms

tiny
vsnano
1.0

So small it can fit in your hand

indicates a precise nanometer dimension not just ordinary smallness
small
vsnano
  • Specialized
380 1.0

Made of very tiny particles

focuses on nanoscale measurements, not only particle fineness
miniature
vsnano
101 3.6

Very small in size compared with the usual type

refers to absolute nanometer size rather than relative smallness
microscopic
vsnano
52 4.8

So small that only a microscope can see it

is narrower and refers specifically to the nanometer scale rather than visibility
minuscule
vsnano
37 4.4

Very small in size or amount

refers to exact one billionth scale rather than general tiny size
teeny-weeny
vsnano
  • Informal
8 6.3

A very small thing that is much smaller than usual

is formal and scientific, indicating a precise one billionth scale
nanoscale
vsnano
  • Specialized
1 7.0

Relating to very small parts or processes at the size of atoms and molecules

means one billionth or describes extreme smallness at that scale
miniscule
vsnano
  • US
1 4.3

Very small and easy to miss

means precise one billionth scale rather than general insignificance
ultrafine
vsnano
1 5.2

Something that is very small, like tiny particles or thin fibers

is about precise nanometer scale rather than relative tiny size
microscopical
vsnano
  • Specialized
9.1

So small that you can only see it with a microscope

is specific to nanometer measurements rather than microscope visibility
minute
vsnano
5.8

Extremely small and hard to see

is more technical, specifying the nanometer scale not general smallness

How Small

pico-
  • Specialized
6.6
nano
  • Specialized
3.7
micro
4 5.1

Surface Forms

nano main

Etymology

Nano- is a prefix from Greek nanos meaning 'dwarf' or 'very small', and it is used in words like nanometer to mean 'one billionth'. So nano- marks things that are extremely small or one billionth of a unit.