Anomaly

(a-nom'a-le.) [From Gr. anomalos, irregular.] Any irregularity in, deviation from, or exception to, arule.-(Gram.) An exception from the general rule. (Astron.) The angular distance of a planet from its perihelion, as seen from the sun -it is of three kinds, the true, the mean, and the eccentric. To find the true A. is a problem (usually called Kepler's problem) of considerable difficulty, requiring the aid of the higher mathematics. [s. 34]