The definition of centrifugal is something that is moving, or that is prone to move, away from a center.(adjective)
A force that tends to move away from the center is an example of something that would be described as centrifugal.
See centrifugal in Webster's New World College Dictionary
Origin: < ModL centrifugus (coined by Sir Isaac Newton < centri- + L fugere, to flee: see fugitive) + -al
See centrifugal in American Heritage Dictionary 4
Origin: From New Latin centrifugus
Origin: : Latin centrum, center; see Center
Origin: + Latin fugere, to flee.
Learn more about centrifugal