διάτᾰσις,εως,ἡ,
A. tension, dilatation, ἔχειν δ.to have thepower 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 vaginalobstruction,
Paul.Aeg. 6.72 .
II. tension, exertion,
πνεύματος
Thphr. Sud. 32
; of athletes and thelike, Arist. Pr. 885b23 , IA 705a18 ;διατάσεις καὶ κλαυθμοί,of infants, Id. Pol. 1336a34 : metaph., ἡ εὔνοια . . οὐκ ἔχει δ.