anomalistic month

[ uh-nom-uh-lis-tik muhnth, uh-nom-uh-lis-tik ]

noun

, Astronomy.

1. month5

anomalistic month

noun

1. the interval between two successive passages of the moon through perigee; 27.55455 days

Word History and Origins

Origin of anomalistic month¹

First recorded in 1760–70