| 单词 | chemical agent |
| 释义 | > as lemmaschemical agent chemical agent n. a chemical substance producing a specific effect, esp. when intentionally used for this reason; (now often) spec. a substance used to incapacitate, injure, or kill people, or cause damage to crops, etc.; a chemical weapon.In quot. 1728 in a wider sense. ΘΚΠ society > armed hostility > military equipment > weapon > fire, radiation, or chemical weapons > [noun] > chemical weapon(s) chemical agent1728 chemical weapon1912 adamsite1919 Chemical Mace1966 1728 E. Chambers Cycl. at Air With the force of a chymical Agent, he [sc. the sun] resolves the superficial Parts of the Earth into their Principles, Water, Oil, Salt, &c. 1797 Monthly Mag. 3 350/2 Some observations on the sthenic or asthenic virtue of chemical agents, that is to say, their ability or impotence to produce irritation. 1867 Merwin's Connecticut River Business Directory 313 (advt.) Dr. Halsted..has been able to discover the adaptation of certain chemical agents, which act in harmony with the natural functions of special organs, remedying their diseased condition. 1922 T. M. Lowry Inorg. Chem. i. 13 Gases..may also be purified by using chemical agents to absorb the impurities. 1991 in B. MacArthur Despatches from Gulf War 154 790,000 atropine injectors containing an antidote to chemical agents and 60,000 pyridostigmine bromide tablets, an anti-nerve gas drug. 2006 N.Y. Times (National ed.) 10 Sept. i. 6/1 Mr. Hussein's weaponeers produced the chemical agents that his army used to gas Iranian troops and Kurdish civilians. < as lemmas |
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