a. Obs. rare. [f. Gr. συζυγία or late L. sȳzygia SYZYGY + -AC + -AL.] = next.
1672. Flamsteed, in Rigaud, Corr. Sci. Men (1841), II. 140. Let MP be the line of the mean apogæon making an acute angle with the syzigiacal line SCO.
a. Obs. rare. [f. Gr. συζυγία or late L. sȳzygia SYZYGY + -AC + -AL.] = next.
1672. Flamsteed, in Rigaud, Corr. Sci. Men (1841), II. 140. Let MP be the line of the mean apogæon making an acute angle with the syzigiacal line SCO.
