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Nanometre

The nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm), or nanometer (American spelling), is a unit of length in the International System of Units (SI), equal to one billionth (short scale) of a meter (0.000000001 m) and to 1000 picometres. One nanometre can be expressed in scientific notation as 1 ?? 10-9 m and as ???1/1000000000??? m. History The nanometre was formerly known as the "millimicrometre" ??? or, more commonly, the "millimicron" for short ??? since it is ???1/1000??? of a micrometer. It was often denoted by the symbol m?? or, more rarely, as ???? (however, ????...

e: 2000000000000058512

wikidata.org 0 views · 2024-12-26 21:56:52

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