ἔκτᾰσις · ektasis — LSJ
stretching out, extension
stretching out, extension, Hp. Art. 19; σκέλους, κώλων, Arist. IA 711a30, PA 688a16; καμπὴ καὶ ἔ. Pl. Lg. 795e : metaph., ἔ. ἄρρητος τῆς ἑαυτοῦ <οὐσίας> Porph. Sent. 28; ἡ εἰς πλῆθος ἔ. Procl. Inst. 128.
2 extent
extent, φιλίας Max.Tyr. 6.2; παμπληθῆ θεωρίας ἔ. Iamb. VP 29.162.
3 tension
mental tension, v.l. for ἔκστασις in D.H. Comp. 15.
4 making explicit
making explicit, κατʼ ἔκτασιν, opp. κατʼ ἐπίνοιαν, Theol.Ar. 5, cf. 12.
5 impulse
impulse, τοῦ ὀρεκτικοῦ ἐπί τι Plot. 1.1.5.
6 extension, deployment
Tact., extension, deployment, συναγωγαὶ καὶ ἐκτάσεις στρατιᾶς Pl. R. 526d, cf. Onos. 10.2.
II lengthening of a short syllable
lengthening of a short syllable, D.H. Comp. 25 (pl.); κατʼ ἔκτασιν παραλαμβάνεσθαι D.T. 632.32; ἔστιν ἐν ἐκτάσει τοῦ ῑ A.D. Adv. 161.6.