| 释义 |
fulguration|fʌlgjʊəˈreɪʃən|
[ad. L. fulgurātiōn-em, n. of action f. fulgurāre: see fulgurate and -ation. Cf. F. fulguration.]
1. The action of lightning or flashing like lightning; chiefly in pl. flashes of lightning. Now rare in literal sense.
1633J. Done Hist. Septuagint 57 Your Eyes..were so incountred with the order and splendor of the workes..so as you should be forced to turn them elsewhere or not too stedfastly behold their Fulguration. 1642Howell For. Trav. (Arb.) 12 Though thunder be first in Nature being by the violent eruption it makes out of the cloud the cause of such fulgurations. 1684T. Burnet Th. Earth ii. 93 These signs are chiefly..the fulgurations of the air, and the falling of stars. 1813T. Forster Atmosph. Phaenom. (1815) 76 The vespertine fulgurations, called summer lightning, are not followed by any thunder at all.
fig.1874H. R. Reynolds John Bapt. ii. 88 Angels are the fulgurations of His power. 1877E. Caird Philos. Kant v. 86 The continual fulgurations of deity.
2. In Assaying. (See quots.) Cf. blick.
1676Coles, Fulguration, a reducing metals into vapours by the help of lead (in a copel) and a violent fire. 1758Reid tr. Macquer's Chym. I. 323 The surface of that metal will at once dart out a dazling splendour: but, if the fire be strong enough to keep the Silver in fusion..this change of colour, which is called its fulguration, will not be so perceptible, and the Silver will appear like a bead of fire. 1853Ure Dict. Arts I. 98 When the lead is wasted to a certain degree, a very thin film of it only remains on the silver, which causes the iridescent appearance, like the colours of soap-bubbles; a phenomenon, called by the old chemists, fulguration.
3. Med. [a. F. fulguration (S. Pozzi 1907, in Bull. de l'Acad. de Méd. 30 July 193).] The destruction of tissues, esp. tumours, by means of electric sparks.
1907Daily Chron. 11 Oct. 5/6 Dr. Hart [sc. de Keating-Hart] treats cancer by ordinary surgical means, utilising fulguration as a valuable healing agent. 1962Lancet 31 Mar. 693/1 Fulguration [of the bladder neck] aims at destroying infected glands and pseudo-polyps but may cure by destroying part of the internal sphincter. |