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nm

nm

7 5.5
A unit for measuring very short lengths equal to one billionth of a meter
  • noun
  • Specialized
translation icon : nanómetro
  • A typical wavelength of green light is about 500 nm, which is useful for various optical applications.
  • 100 nm
  • 10 nm
  • nm diameter

Examples

  • Gap widths of the order of 10 nm are convenient.

    Academic text (1995)
  • Pits as small as 100 nm across and 10 nm deep have been written in this way.

    Academic text (1995)
  • If, for example, the well is 50 nm wide, that comes to 6 med.

    Academic text (1994)
  • To estimate the possible performance of a nanoDASD, a bit size of 30 nm has been chosen.

    Academic text (1995)
  • Fibers are made up of fibrils, which themselves are approximately 20-100 nm in diameter.

    Academic text (1995)
  • Each elastin fiber is made up of microfibrils of 10-12 nm in diameter. Elastin is produced by fibroblasts.

    Academic text (1995)
  • Exosomes are multiform, spherical to cup-shaped nanovesicles of 40-100 nm diameter that are secreted by many cell types (Fig. 1).

    Academic text (2017)
  • The diameter of the virus was measured at 100 nm, which is too small to be seen with the naked eye.

  • The semiconductor industry is now producing transistors that are only 7 nm wide, allowing for greater efficiency.

Synonyms

nanometer
vsnm
  • Specialized
7 4.8

One billionth of a meter used to measure very small parts like computer chips

is the abbreviation form used for that metric unit
millimicron
vsnm
  • Archaic
1 8.6

A unit of length equal to one billionth of a meter called a nanometer

is the abbreviation form rather than the older full name
micromillimeter
vsnm
  • Archaic
9.9

A very small length equal to one billionth of a meter

is the abbreviation form instead of this uncommon full term

How Small

picometer
  • Specialized
7.2
nm
  • Specialized
7 5.5
micrometer
  • Specialized
2 4.8
millimeter
  • Specialized
140 2.5
centimeter
  • US
92 1.0
meter
  • Specialized
621 1.0
kilometer
  • US
572 1.8

Surface Forms

nm singular
nms plural

Etymology

Nm is short for the parts nano- and metre, where nano- means 'very small' and metre means 'measure of length'. So, nm means a very tiny length, one billionth of a metre.