| 单词 | toxicant |
| 释义 | toxicant (once / 1074483 pages) nadj WORD FAMILY toxicant: toxicants USAGE EXAMPLESLike the approach used to re-evaluate potential carcinogens and reproductive toxicants, the designation can be reconsidered as new evidence emerges. Nature(Nov 21, 2016) Last year the state of California listed BPA as a female reproductive toxicant. The Guardian(May 27, 2016) At issue in this case is the control of health-damaging coal-burning particle emissions, along with mercury and air toxicants. US News(Jul 08, 2015) 1n any substance that causes injury or illness or death of a living organism Syn|Hypo|Hyper poison, poisonous substance atropine a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides hyoscyaminea poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract toxina poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species belladonnaan alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally ricin, ricin toxina toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon animal toxin, zootoxina toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals bacterial toxinany endotoxin or exotoxin formed in or elaborated by bacterial cells cytotoxinany substance that has a toxic effect on cells endotoxina toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die exotoxina toxin that is secreted by microorganisms into the surrounding medium hepatotoxinany toxin that affects the liver nephrotoxinany toxin that affects the kidneys neurolysin, neurotoxinany toxin that affects neural tissues phytotoxin, plant toxinany substance produced by plants that is similar in its properties to extracellular bacterial toxin substance a particular kind or species of matter with uniform properties 2adj having the qualities or effects of a poison Syn poisonous toxic of or relating to or caused by a toxin or poison |
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