| 释义 |
toxic, a. (n.)|ˈtɒksɪk|
[f. med.L. toxic-us poisoned, imbued with poison, f. toxic-um. So F. toxique ‘poison’ (1762 in Dict. Trévoux).]
A. adj.
1. Of the nature of a poison; poisonous.
1664Evelyn Sylva 65 The toxic quality was certainly in the liquor.., not in the nature of the wood; which yet he [Pliny] affirms is cur'd of that Venenous quality by driving a brazen wedge into the body of it. 1674Blount Glossogr., Toxic, venemous, poisonous. 1876T. Bryant Pract. Surg. I. ii. 53 Poisoning..due to the introduction into the torrent of the circulation of toxic substances. 1899Allbutt's Syst. Med. VII. 815 The urine is normally toxic, and incessantly takes from the blood its toxicity.
2. a. Caused or produced by a poison; due to poisoning. toxic shock syndrome, an acute bacterial illness observed esp. in women using tampons, characterized by fever, vomiting, diarrhoea, muscle pain, and some peeling of the skin, and in severe cases followed by shock.
1872Contemp. Rev. XX. 751 Whether it be the toxic condition of the blood. 1874H. Maudsley Respons. in Ment. Dis. iii. 79 The peculiar disorders of the physical and mental functions..to which he gave the name of Toxic Insanity. 1899Allbutt's Syst. Med. VIII. 310 Toxic insanity depends on poisons either derived from without or generated within the body. 1978Todd & Fishaut in Lancet 25 Nov. 1117/2 The acute illness we have described and called the toxic-shock syndrome seems to affect older children. 1982Brit. Med. Jrnl. 29 May 1586/1 There is no justification at present for any suggestion that women should avoid using tampons, since the risk of developing toxic shock syndrome is extremely small.
b. Of intoxication, intoxicated, tipsy. humorous.
1899M. Kingsley W. Afr. Stud. i. 2 A toxic state where a man can't see the holes through a ladder.
B. n. A toxic substance, a poison.
1890Spectator 6 Dec., M. Pasteur..pointing out..that the lymph is really a ‘toxic’ or poison, of terrible energy and unknown effects. 1904Westm. Gaz. 15 June 2/1 Alkaloids and toxics, such as chloral, emit the N-rays freely. |