"Nm" is a commonly used abbreviation for the unit of measurement Newton-meter, which is the product of force and displacement in the metric system. Synonyms for "nm" can include "N·m", "newton meter", "N m", and "Newton-metre". These synonyms are used interchangeably and can be found in scientific literature, engineering projects, and everyday conversations. "N m" and "Newton-metre" are the more formal terms, while "Nm" and "newton meter" are more commonly used in casual settings. It's important to use accurate and consistent units of measurement in order to ensure precision and accuracy in scientific and engineering endeavors.