| 释义 |
toxicity|tɒkˈsɪsɪtɪ|
[f. toxic + -ity.]
Toxic or poisonous quality, esp. in relation to its degree or strength.
1881Nature 3 Nov. 24/2 On the comparative toxicity of different metals, by M. Richet... He named the limit of toxicity the quantity of poison per litre of water, allowing a fish to live more than forty-eight hours. 1881Pharmaceut. Jrnl. 26 Nov. 439/2 Neither would there appear to be any relation between toxicity and chemical function, for although potassium and sodium are nearly allied.., the former is—at least in respect to fish—twenty-four times more poisonous than sodium. 1898P. Manson Trop. Diseases xvii. 283 The microbes were increased in toxicity to a definite point. |