The outward force on a body moving in a curved path around another body WordNet 3.0 & Open English WordNet

In Newtonian mechanics, the centrifugal force is an inertial force that appears to act on all objects when viewed in a rotating frame of reference. Wikipedia

Type of inertial force Wikidata

The force that impels a material outward from a center of rotation. OmegaWiki

In a rotating reference frame, the apparent force that seems to push all bodies away from the centre of rotation of the frame and is a consequence of the body's mass and the frame's angular speed. It works in conjunction with the Coriolis force to give correct motion. Wiktionary

Force. Wiktionary (translation)