Webster's Revised Unabridged Dictionary · 1913

Anomalistic

Anomalistic ({not transcribed}) , adjective

[Compare French anomalistique.]

1.
Irregular; departing from common or established rules.
2.
(Astronomy) Pertaining to the anomaly, or angular distance of a planet from its perihelion.
Collocations (3)
Anomalistic month , See under Month.
Anomalistic revolution , the period in which a planet or satellite goes through the complete cycles of its changes of anomaly, or from any point in its elliptic orbit to the same again.
Anomalistic or Periodical year , See under Year.

Also: Anomalistical