nanometer

[ˈnænəˌmiːtər]
nounmasculinepl: nanometers
nanômetro
1. A unit of length equal to one billionth of a meter (10⁻⁹ m), commonly used in nanotechnology and measuring atomic/molecular scales
The diameter of a DNA molecule is approximately 2 nanometers.
O diâmetro de uma molécula de DNA é aproximadamente 2 nanômetros.
2. A metric prefix measurement used in physics, chemistry, and materials science for extremely small distances
Transistors in modern computer chips are measured in nanometers.
Os transistores em chips de computador modernos são medidos em nanômetros.
The term 'nanometer' is primarily used in scientific, technological, and academic contexts in both Brazil and the USA. In Brazil, it's commonly encountered in discussions of nanotechnology, semiconductor manufacturing, and cutting-edge physics research. The abbreviation 'nm' is universally recognized in technical documentation.
Synonyms / Sinônimos
nm (abbreviation)millimicron (archaic)

Regional Variations

General Brazilian
nanômetro
Standard term used in scientific and technical contexts
Portugal
nanómetro
Portuguese spelling variant with accent on second o
USA
nanometer
Standard scientific terminology in English-speaking countries

Related Words

micrometerpicometernanotechnologynanoscalemetric system
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