toxic/tokˈsik/ toxic/tokˈsik/ Etymology: [Gr toxon a bow, toxikos for the bow, toxikon arrow-poison] adjective of poisonpoisonouspoisonedcaused by poisonW damaging (informal)W (of a financial asset) liable to cause a lossEtymology: [Gr toxon a bow, toxikos for the bow, toxikon arrow-poison] Derivatives: toxˈical toxical adjectivetoxˈically toxically adverbtoxˈicant toxicant adjective poisonoustoxicant toxicantsnoun a poisonous substancetoxicāˈtion or toxicity /-isˈ/ toxication toxicationsor toxicity toxicities/-is/ noun the state of being toxicthe degree to which a substance is toxictoxicologˈic or toxicologˈical toxicologic or toxicological adjectivetoxicologˈically toxicologically adverbtoxicolˈogist toxicologist toxicologistsnountoxicolˈogy toxicology toxicologiesnoun the science or study of poisons and their antidotesCompounds: W toxic bank toxic bank same as bad bank (see under bad). toxic shock syndrome toxic shock syndrome noun a potentially fatal condition characterized by high fever, vomiting, and diarrhoea, sometimes occurring in menstruating women using tampons, and attributed to a toxin apparently associated with staphylococcal infection