διαζεύγνυμι

A. part, separate, διὰ γὰρ ζευγνῦσ’ ἡμᾶς πατρίων μελάθρων μητρὸς κατάραι E. El. 1323 (anap.), cf. Charito 8.16; λίθους ἀλλήλων Lib. Or. 30.38; open sluices, PPetr. 3p.121 (iii B.C.); take to pieces, σκάφη Polyaen. 3.11.3; dissolve, θάνατος δ. γάμον Ph. 2.311; disjoin, distinguish, τί τινος ib.298, al.:—but more freq. Pass., to be disjoined, parted, τινός from one, Aeschin. 2.179; ἀπό τινος X. An. 4.2.10: abs., ὅπως αἱ πρότερον συνήθειαι διαζευχθῶσιν Arist. Pol. 1319b26; to be divorced, Pl. Lg. 784b; διεζευγμένον (sc. ἀξίωμα) disjunctive proposition, Chrysipp.Stoic. 2.5,71, etc. (with ἀξίωμα in full, Gell. 16.8.12); λῆμμα Gal. Nat.Fac. 2.7.

2. τὸ διεζ. σύστημα the disjunct scale, in which two tetrachords were so combined that the first note of one was a tone lower than the last note of the other, opp. συνημμένον, Cleonid. Harm. 10; νήτη διεζευγμένων Euc. Sect.Can. 15; [τετράχορδον] διεζευγμένων Plu. 2.1029b.

3. Math., διεζευγμένη μεσότης, ἀναλογία, discrete mean, proportion, Nicom. Ar. 2.21.

4. Medic., reckon periods exclusively, opp. συνάπτεσθαι, Gal. 9.901.