παράλλ-αξις · parall-axis — LSJ
alternation : overlapping
alternation : overlapping of broken bones, Hp. Fract. 15 (pl.); ἡ π. τοῦ ὀστέου ib. 35 ; π. ἔχειν πρὸς ἄλληλα καὶ συμπλοκήν Thphr. Sens. 66.
2 alternating motion
alternating motion, τῶν σκελῶν Plu. Phil. 6 ; ἡ δεῦρο κἀκεῖ π. τῆς κεφαλῆς Id. Sollert. 2.977b.
II change, deviation, mutation, aberrations
change, deviation, mutation, Pl. Ti. 22d, cf. Plt. 269e, Placit. 1.7.33 (pl.); διαστροφὴ μεγάλη καὶ π. τῆς γωνίας Plu. Fac.lun. 2.930a ; παραλλάξιες φρενῶν mental aberrations, Hp. Acut.(Sp.) 1.
III change of position
change of position, τῶν γωνιῶν Arist. Cael. 287a18 ; ἡ τοῦ ἡλίου π. D.C. 76.13.
2 parallax
Astron., parallax, Ptol. Alm. 5.11, 9.1, Procl. Hyp. 4.53, al.
b
φάσις defined as ἡ μετὰ τὴν κρύψιν τοῦ ἡλίου πρώτη . . ἐξ αὐτοῦ π. Phlp. in Mete. 76.30.