say it: uh-NAH-muh-lee
anomaly is a noun meaning "deviation from the normal or common order or form or rule". It carries 3 recorded senses.
deviation from the normal or common order or form or rule
a person who is unusual
(astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)
astronomy
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for anomaly come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.