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The abbreviation nm can be confusing because it represents two completely different concepts depending on the context and capitalization. In this lesson, we explore how nm serves as both a geographical marker and a scientific unit of measurement. You will learn about the state of New Mexico in the southwestern United States and the nanometer, a metric unit equal to one billionth of a meter. We provide clear examples of each to help you distinguish between them in reading and writing. Watch this lesson to master the dual meanings of nm.

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