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Definition: CGS system


(Centimeter-Gram-Second system) A metric system of measurement that uses the centimeter, gram and second for length, mass and time. The units of force and work are the "dyne" and "erg."

Dyne and Erg
A dyne is the unit of force required to accelerate one gram by one centimeter per second squared. An erg is a unit of energy, which is equal to .0000001 joule in the MKS system. Contrast with MKS system.