synodicadj.

1640 R. Baillie Ladensium Αὐτοκατάκρισις Postscr. 16 When the Assemblie of Glasgow had passed this tryall upon them according to our desire, we embraced the Synodick Sentence.

1659 J. Pearson Expos. Apostles Creed ii. 282 (note) They charge all those to whom they write that Synodic Epistle, that they should be satisfied with such expressions as they found in the Scriptures.

1835 I. Taylor Spiritual Despotism v. 210 The synodic system..is..named as a principal cause..of the Spiritual Despotism which..grasped the Christian world.

1654 T. Whalley Let. in R. Parr Life J. Usher (1686) Coll. cclxxxvii. 603 A Mean Synodick Month.

1694 W. Holder Disc. Time i. 11 The Synodic Revolution of the Moon, by which the Month is measured.

1788 Philos. Trans. (Royal Soc.) 78 419 The lunar month, or mean synodic revolution,..consists of 29 days, 12 hours, and 792 scruples or parts in 1080; and the year of 354 days, 8 hours, and 864 scruples.

1834 M. Somerville On Connexion Physical Sci. v. 29 The synodic motions of the satellites.

1875 Tait in Good Words 238 This is the sidereal period of the moon's revolution; not the synodic period, as the time from new moon to new moon is called.