資料來源 : Webster's Revised Unabridged Dictionary (1913)

Anomalistic \A*nom`a*lis"tic\, Anomalistical
\A*nom`a*lis"tic*al\, a. [Cf. F. anomalistique.]
   1. Irregular; departing from common or established rules.

   2. (Astron.) Pertaining to the anomaly, or angular distance
      of a planet from its perihelion.

   {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}.

資料來源 : WordNet®

anomalistic month
     n : period between successive perigees; approximately 27.5546
         days