01 n. Deviation from the common rule; an irregularity; anything anomalous.
pl.
Anomalies
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1.
Deviation from the common rule; an irregularity; anything anomalous.“We are enabled to unite into a consistent whole the various anomalies and contending principles that are found in the minds and affairs of men.” — Burke.“As Professor Owen has remarked, there is no greater anomaly in nature than a bird that can not fly.” — Darwin.
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2.
The angular distance of a planet from its perihelion, as seen from the sun. This is the true anomaly. The eccentric anomaly is a corresponding angle at the center of the elliptic orbit of the planet. The mean anomaly is what the anomaly would be if the planet's angular motion were uniform.(Astron.)
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3.
Any deviation from the essential characteristics of a specific type.(Nat. Hist.)