| 单词 | contaminated |
| 释义 | contaminated (once / 2675 pages) adj Something that's contaminated is polluted or fouled. People should not drink or brush their teeth with contaminated water. If a medical test or sample becomes contaminated, it means that some foreign material has corrupted it — the test has to be retaken. Likewise, if the water in your well is contaminated with arsenic, which is poisonous in high enough concentrations, you'll have to drain and clean the well or possibly even dig a new one. Things become contaminated when they're exposed to dangerous or dirty substances. The Latin root of contaminated is contaminare, "to defile." WORD FAMILYcontaminated: uncontaminated+/contaminate: contaminated, contaminates, contaminating, contamination, decontaminate/contaminating: uncontaminating/contamination: contaminations/decontaminate: decontaminated, decontaminating, decontamination USAGE EXAMPLESIn one study, researchers found that more than three-fourths of colonoscopes and gastroscopes were still contaminated after cleaning and disinfection in accordance with manufacturer guidelines. Seattle Times(Jan 01, 2017) A police officer said dozens were hospitalized in the eastern Punjab province after they consumed contaminated alcohol. Washington Post(Dec 27, 2016) The plan includes excavation of contaminated soils and sediments, capping and long-term monitoring. Washington Times(Dec 23, 2016) 1adj corrupted by contact or association contaminated evidence Syn|Ant mercury-contaminated contaminated by mercury uncontaminated not corrupted by contact or association 2adj rendered unwholesome by contaminants and pollution had to boil the contaminated water Syn polluted impure combined with extraneous elements |
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