| 释义 |
anæsthetic, a. and n.|ænɪsˈθɛtɪk, -ˈθiːtɪk|
[f. Gr. ἀναίσθητ-ος without feeling, insensible (f. ἀν priv. + αἰσθητ-ός sensible; f. αἴσθε- perceive) + -ic. Cf. mod.Fr. anesthétique, and æsthetic.]
A. adj.
1. Insensible, deprived of sensibility.
1846[see anæsthesia]. 1848Sir J. Simpson in Jrnl. Med. Sc. IX. 220 The anæsthetic state must be made adequately deep. 1853Mayne Exp. Lex., Anæstheticus, Applied specially of late to the state of persons rendered insensible by inhalation of ether or chloroform: anesthetic. 1879Timbs in Cassell's Techn. Educ. IV. 106/2 The possibility of setting patients into an anæsthetic state.
2. fig. Unfeeling, unemotional. rare.
1860A. L. Windsor Ethica vii. 338 In his judgment of character this cold anæsthetic temperament displays itself perhaps more prominently.
3. Producing, or connected with the production of, insensibility.
1847Sir J. Simpson in Jrnl. Med. Sc. VIII. 415 At the first winter meeting of the Edinburgh Medico-Chirurgical Society (10th November) I directed the attention of the members to a new respirable anæsthetic agent..Chloroform, Chloroformyle, or Perchloride of Formyle. 1848― in Jrnl. Med. Sc. IX. 220 The results of anæsthetic midwifery. 1859Bain Emot. & Will i. §21. 34 Exercise or action is itself anæsthetic. 1870Sir J. Simpson Anæsthesia Wks. 1871 II. 23 The first case of an anæsthetic operation under sulphuric ether occurred at Boston [U.S.A.] on the 30th September 1846. The first case of an anæsthetic operation under chloroform occurred at Edinburgh on the 15th of November 1847.
B. n. [The adj. used absol.] An anæsthetic agent; an agent which produces insensibility. local anæsthetic, a substance which by application or injection induces local anæsthesia; opp. to general anæsthetic, a substance which induces general or total anæsthesia. Cf. basal anæsthetic, basal a. 3.
1848Sir J. Simpson in Pharm. Jrnl. VII. 518 None of the five anæsthetics which I have mentioned..are..comparable with chloroform. 1851J. Arnott Neuralgic Affections 20 It is very natural that the disappointment from the exaggerated statements..should indispose the surgeon to put trust in any local anæsthetic, without such corroborative evidence. 1876Bartholow Mat. Med. (1879) 360 The term anæsthetic, proposed by Dr. Oliver Wendell Holmes, means an agent capable of producing anæsthesia, or insensibility to pain. 1876Dunglison Dict. Med. Sci. 47/2 The ethers, rhigolene and other agents, when applied to a part in the form of spray, by their evaporation benumb it; and thus act as local anæsthetics. 1878Lecky Eng. in 18th. C. I. iv. 551 Vivisection..before the introduction of anæsthetics, was often inexpressibly horrible. 1879Syd. Soc. Lex. s.v., General anæsthetics are commonly employed in the form of vapour. 1910Encycl. Brit. I. 909/1 The earliest local anaesthetic was cold, produced by a mixture of ice and salt. In place of this cumbersome method, the skin is now frozen by means of a fine spray of ether or ethyl chloride directed upon it. 1955Oxf. Jun. Encycl. XI. 4/2 A patient to whom a general anaesthetic is administered loses consciousness, while a local anaesthetic affects only the area of operation, the patient remaining fully conscious. Cocaine..the most commonly used local anaesthetic, was introduced in 1879. |