A deviation from a rule or from what is regarded as normal; an outlier. / Something or someone that is strange or unusual.

Deviating from the normal; marked by incongruity or contradiction; aberrant or abnormal. / Of uncertain or unknown categorization; strange. / Having anomalies.

(quantum mechanics) Any phenomenon that arises when a quantity that becomes zero according to classical physics acquires a finite value when quantum rules are utilized.

(physics) A variation in the heat capacity of a solid at low temperatures which arises from the thermal population of discrete energy levels as the temperature is raised

In an anomalous manner.

plural of anomaly

The state or quality of being anomalous.

(veterinary medicine) A congenital, inherited, bilateral eye disease of dogs characterized by an underdeveloped choroid.

anomalous / irregular / (astronomy) Of or pertaining to an anomaly (angle of a body from its perihelion) / (linguistics) Pertaining to anomalism

(zoology) Any of a group of large marine animals of the family †Anomalocarididae, known only from fossils.