διάτασις

A. tension, dilatation, ἔχειν δ. to have the power of dilatation, Arist. PA 664a33 (v.l.); κεφαλῆς διατάσεις καὶ ἰλίγγους Pl. R. 407c (prob.).

2. extension, of a fractured or dislocated limb, Hp. Off. 15, cf. Heliod. ap. Orib. 49.8.33; σπαρτῶν Alciphr. 2.4.

3. stretching across: hence Medic., δ. φρενῶν diaphragm, Hp. VM 22; δ. alone, Id. Coac. 394; also of vaginal obstruction, Paul.Aeg. 6.72.

II. tension, exertion, πνεύματος Thphr. Sud. 32; of athletes and the like , Arist. Pr. 885b23, IA 705a18; διατάσεις καὶ κλαυθμοί, of infants, Id. Pol. 1336a34: metaph., ἡ εὔνοια . . οὐκ ἔχει δ. Id. EN 1166b33; ἐν δ. γενομένης τῆς ψυχῆς Plu. Cor. 21; ἡ πρὸς τὸν ἥλιον δ., of plants, Iamb. Protr. 21.λή.

2. contention, quarrel, εἰς μεγάλην ἐλθεῖν δ. πρός τινα D.S. 38/9.2(s.v.l.).