| 释义 |
▪ I. dilator, n.1|daɪˈleɪtə(r)|
[f. dilate v.2: an irregular formation, the regular types being dilater from Eng. dilate, and dilatator from L. dīlātāre.]
One who or that which dilates: spec. a. Surg. An instrument used to dilate or distend an opening, passage, or organ; = dilatator b, dilater b.
[1634–1706: see dilater b.] 1688R. Holme Armoury iii. 420/2 The Dilator is an Instrument to open or stretch out a thing to its breadth. 1830S. Cooper Dict. Pract. Surg. (ed. 6) s.v. Urethra, With respect to dilators, as they are called..their use is far from being much approved by the best modern surgeons. 1864T. Holmes Syst. Surg. (1870) IV. 963 The stricture being now fairly split, the dilator should be rotated.
b. Anat. A muscle or nerve which dilates or widens a part; = dilatator a, dilater c. Also attrib.
[1683: see dilater c.] a1735Arbuthnot (J.), The dilators of the nose are too strong in cholerick people. 1807Med. Jrnl. XVII. 407 The radiating (or dilator) muscle of the Iris. 1844J. G. Wilkinson Swedenborg's Anim. Kingd. II. i. 3 The muscles of the nose are three pair; two pair of dilator, and one pair of constrictors. 1878Foster Phys. ii. i. §2. 210 It acts energetically as a dilator-nerve.
▪ II. † ˈdilator, -our, a. and n.2 Sc. Obs.
Forms: 5–8 dilatour, 6 delatour, 8 dilator, delator.
[a. F. dilatoire adj. ‘dilatory’, formerly also n. ‘delay’, ad. L. dīlātōri-us, dīlātōri-um, dilatory, delaying, f. dīlāt- ppl. stem of differre: see defer v.1, dilate v.1 For the form of the word cf. declarator.]
A. adj. (Sc. Law.) dilatory; delaying, causing delay.
1503Sc. Acts Jas. IV (1597) §65 There salbe na exception dilatour admitted against that summounds. Ibid. §95 Vpon dilatour or peremptour exception. 1609Skene Reg. Maj. 104 Gif the partie defendand will not vse any exception or defence dilatour. 1752J. Louthian Form of Process (ed. 2) 267 All his Defences, both dilator and peremptor, which the Sheriff shall either advise in Court, or allow [etc.].
B. n. (Sc. Law.) A delay; a cause of delay, a dilatory plea; = dilatory n.
1473Treaty w. Scotl. in Rymer Foedera (1710) XI. 789 Withoutyn any dilatour or delais. 1583Sempill Leg. Bp. Andrews Life 194 Ballates (1872) 205 Bot Doctor Patrick still replyed, With trickis and delatouris he denyed. 1717Wodrow Corr. (1843) II. 328, I scarce mention the unaccountable dilatours of settling vacancies. 1718Ibid. II. 381 This was reckoned a delator, and opposed. 1752J. Louthian Form of Process (ed. 2) 97 All these Objections, properly called Dilators, must be first proponed. 1888Ramsay Scotl. in 18th C. I. ii. 41 He is said to have excelled in what was called proponing dilators.
▪ III. dilator
obs. form of delator, accuser. |