συμμετρ-ία,ἡ,
A. commensurability, opp.ἀσυμμετρία, Arist. Metaph. 1061b1 , cf. 1004b11 , EN 1133b18 ;πρὸς τὴν ς. τῶν καθ' ἡμᾶς ἀνθρώπων in comparisonwith, measured by thestandardof . ., PMonac. 6.39
(vi A.D.).
II. symmetry, due proportion, one of the characteristics of beauty and goodness,βίου συμμετρίῃbyharmonyof life, Democr. 191 , cf. Pl. Phlb. 64e sq.;ἡ νυκτὸς πρὸς ἡμέραν ς. Id. R. 530a ;ἡ πρὸς ἄλληλα ς. Id. Sph. 228c ; of exercise to food, Hp. Vict. 1.2 ; τροφῆς καὶ ἀέρος
Thphr. CP 2.9.13
; ς. τῶν λαμβανομένων
Sor. 1.94
; σιτίων τε καὶ πομάτων
Gal. 6.7
; τῶν φαρμάκων
Id. 13.988
;κατὰ μίαν ς. in a fixedproportion, Id. 6.272 ;παρὰ τὴν ς. out ofproportion, Arist. Pol. 1308b12 ; butς. πρός τι, also,proportion calculated to produce . ., Pl. Ti. 66d ;ἡ τῶν καλῶν ς. Id. Sph. 235e ; ὑγίειαν ἐν . . ς. θερμῶν καὶ ψυχρῶν τίθεμεν