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Nanometre
 
 
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A nanometre (American spelling
American English

PhonologyIn many ways, compared to English language in England, North American English is conservative in its phonology. Some distinctive accents can be found on the East Coast of the United States , partly because these areas were in contact with England, and imitated prestigious varieties of English English at a time when those varieties we...
: nanometer, symbol nm) (Greek
Greek language

Greek is an Indo-European languages native to the southern Balkan peninsula, the language of the Greek people. It forms an independent branch within Indo-European....
: ?????, nanos, "dwarf"; µ?t???, metr?n, "unit of measurement") is a unit
Units of measurement

The definition, agreement and practical use of units of measurement have played a crucial role in human endeavour from early ages up to this day....
 of length
Length

Length is the long dimension of any object. The length of a thing is the distance between its ends, its linear extent as measured from end to end....
 in the metric system
Metric system

The metric system is an international decimalised systems of measurement, founded by France in 1791, that is the common system of Unit of measurement used by most of the world....
, equal to one billionth of a metre
Metre

The metre or meter is a Unit of measurement of length. It is the SI base unit of length in the metric system and in the International System of Units , used around the world for general and scientific purposes....
 (i.e., 10-9 m or one millionth of a millimetre).

It is one of the more often used units for very small lengths, and equals ten Ångström
Ångström

An ?ngstr?m or angstrom is an internationally recognized non-SI unit of length equal to 0.1 nanometre or 1 metres. It is sometimes used in expressing the sizes of atoms, lengths of chemical bonds and optical spectrum, and dimensions of parts of integrated circuits....
, an internationally recognized non-SI unit
International System of Units

The International System of Units is the modern form of the metric system and is generally a system devised around the convenience of the number ten....
 of length. It is often associated with the field of nanotechnology
Nanotechnology

Nanotechnology, shortened to "Nanotech", is the study of the control of matter on an atomic and molecular scale. Generally nanotechnology deals with structures of the size 100 nanometers or smaller, and involves developing materials or devices within that size....
 and the wavelength
Wavelength

In physics, wavelength is the distance between repeating units of a propagating wave of a given frequency. It is commonly designated by the Greek language letter lambda ....
 of light
Light

Light, or visible light, is electromagnetic radiation of a wavelength that is Visible spectrum to the human eye , or up to 380?750 nm. In the broader field of physics, light is sometimes used to refer to electromagnetic radiation of all wavelengths, whether visible or not....
.






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A nanometre (American spelling
American English

PhonologyIn many ways, compared to English language in England, North American English is conservative in its phonology. Some distinctive accents can be found on the East Coast of the United States , partly because these areas were in contact with England, and imitated prestigious varieties of English English at a time when those varieties we...
: nanometer, symbol nm) (Greek
Greek language

Greek is an Indo-European languages native to the southern Balkan peninsula, the language of the Greek people. It forms an independent branch within Indo-European....
: ?????, nanos, "dwarf"; µ?t???, metr?n, "unit of measurement") is a unit
Units of measurement

The definition, agreement and practical use of units of measurement have played a crucial role in human endeavour from early ages up to this day....
 of length
Length

Length is the long dimension of any object. The length of a thing is the distance between its ends, its linear extent as measured from end to end....
 in the metric system
Metric system

The metric system is an international decimalised systems of measurement, founded by France in 1791, that is the common system of Unit of measurement used by most of the world....
, equal to one billionth of a metre
Metre

The metre or meter is a Unit of measurement of length. It is the SI base unit of length in the metric system and in the International System of Units , used around the world for general and scientific purposes....
 (i.e., 10-9 m or one millionth of a millimetre).

It is one of the more often used units for very small lengths, and equals ten Ångström
Ångström

An ?ngstr?m or angstrom is an internationally recognized non-SI unit of length equal to 0.1 nanometre or 1 metres. It is sometimes used in expressing the sizes of atoms, lengths of chemical bonds and optical spectrum, and dimensions of parts of integrated circuits....
, an internationally recognized non-SI unit
International System of Units

The International System of Units is the modern form of the metric system and is generally a system devised around the convenience of the number ten....
 of length. It is often associated with the field of nanotechnology
Nanotechnology

Nanotechnology, shortened to "Nanotech", is the study of the control of matter on an atomic and molecular scale. Generally nanotechnology deals with structures of the size 100 nanometers or smaller, and involves developing materials or devices within that size....
 and the wavelength
Wavelength

In physics, wavelength is the distance between repeating units of a propagating wave of a given frequency. It is commonly designated by the Greek language letter lambda ....
 of light
Light

Light, or visible light, is electromagnetic radiation of a wavelength that is Visible spectrum to the human eye , or up to 380?750 nm. In the broader field of physics, light is sometimes used to refer to electromagnetic radiation of all wavelengths, whether visible or not....
. Formerly, millimicron
Micrometre

A micrometre or micron is one Micro- of a metre, or equivalently one thousandth of a millimetre. It is also commonly known as a micron....
 (symbol mµ) was used for the nanometre. The symbol µµ has also been used .

It is also the most common unit used to describe the manufacturing technology used in the semiconductor
Semiconductor

A semiconductor is a material that has electrical conductivity between those of a Electrical conductor and an electrical insulation; it can vary over that wide range either permanently or dynamically....
 industry. It is the most common unit to describe the wavelength of light, with visible light falling in the region of 400–700 nm. The data in compact discs is stored as indentations (known as pits) that are approximately 100 nm deep by 500 nm wide.

Similar terms

Nanometry is the science of counting and measuring particles on the scale of nanometres.

The term nanoscale is used to refer to objects with dimensions on the order 1–100 nm. The term is often heard in relation to nanotechnology
Nanotechnology

Nanotechnology, shortened to "Nanotech", is the study of the control of matter on an atomic and molecular scale. Generally nanotechnology deals with structures of the size 100 nanometers or smaller, and involves developing materials or devices within that size....
.

See also

  • 1 E-9 m
    1 E-9 m

    To help compare different orders of magnitudes this page lists lengths between 10−9 metres and 10−8 metres .1 E-10 m...
  • SI prefix
    SI prefix

    An SI prefix is a name or associated symbol that precedes a basic unit of measure to form a decimal multiple . The abbreviation SI is from the French language name Syst?me International d?Unit?s ....
  • Orders of magnitude (length)
    Orders of magnitude (length)

    To help compare different orders of magnitude, the following list describes various lengths between 1.6 m and 1.3 m.|}Detailed List...
  • Conversion of units
    Conversion of units

    Conversion of units refers to conversion factors between different units of measurement for the same quantity....
    , for comparison with other units of length


External links