CM has various meanings in the Weather category. Discover the full forms, definitions, and usage contexts of CM in Weather.
The centimeter abbreviation, cm is a unit of displacement or length in the cgs centimeter/gram/second system of units. One centimeter is the distance traveled by a ray of electromagnetic EM energy through a vacuum in 3.33564095 x 10-11 of a second. It is equivalent to 0.01 meter. There are about 2.54 centimeters in one linear inch.
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