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Micrometre

The micrometre (Commonwealth English as used by the International Bureau of Weights and Measures; SI symbol: ??m) or micrometer (American English), also commonly known by the non-SI term micron, is a unit of length in the International System of Units (SI) equalling 1??10???6 metre (SI standard prefix "micro-" = 10???6); that is, one millionth of a metre (or one thousandth of a millimetre, 0.001 mm, or about 0.00004 inch). The nearest smaller common SI unit is the nanometre, equivalent to one thousandth of a micrometre, one millionth of a millimetre or one billionth of a metre (...

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wikidata.org 0 views · 2024-12-26 21:56:47

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