contaminated

• يصف شيئًا أصابه التلوث أو النجاسة أو صار ضارًا بسبب ملامسته لمادة سامة أو ملوثة. ويُستعمل أيضًا لوصف ما دخلته مادة ضارة أو عدوى في سياق طبي أو بيئي.

Describes something that has been made impure, unclean, or harmful by contact with a poisonous or polluting substance.

1. Polluted or infectedB2formalmedical

   Made impure or harmful by contact with a poisonous or infectious substance.

   ملوَّث أو مُصاب

   • The contaminated water caused a cholera outbreak.
   • Do not eat food that has been contaminated by bacteria.
   • The lab tested the soil and found it contaminated with lead.

   المرادفاتadulteratedcorrupteddefiledfouledimpureinfectedpollutedtainted

   الأضدادcleanpuresanitarysterileuncontaminated

2. Radioactive contaminationC1formalscientific

   Exposed to or containing radioactive material.

   التلوث الإشعاعي

   • The area near the reactor remains contaminated with radiation.
   • Workers wore protective suits to avoid contaminated particles.
   • Decontamination of the site will take decades.

   المرادفاتhotpollutedradioactivetainted

3. Impure in a technical processB2formaltechnical

   Containing unwanted substances that affect purity or function.

   مُلوَّث

   • The contaminated fuel damaged the engine.
   • The sample was contaminated with dust during collection.
   • Contaminated air filters must be replaced regularly.

   المرادفاتadulteratedfouledimpureinfectedpollutedtainted

   الأضدادcleanpuresterileuncontaminated

• فعل يُستعمل للدلالة على إفساد الشيء أو تلويثه أو إصابته بضرر أو عدوى نتيجة ملامسته لمادة أو عامل ضار.

A verb used to indicate the act of making something impure, polluted, or harmful by contact with a substance or agent.

1. Make impure or harmfulB2formalscientific

   To make something dirty, polluted, or poisonous by adding a harmful substance.

   تلويث

   • The factory waste contaminated the nearby river.
   • Bacteria can contaminate food if it is not stored properly.
   • The water supply was contaminated with lead.

   المرادفاتbefouldefiledirtyfoulpoisonpollutesoilsullytainttarnish

   الأضدادcleandecontaminatepurifysterilize

2. Expose to radioactivityC1formaltechnical

   To make a substance or area radioactive by exposure to radioactive material.

   تلويث إشعاعي

   • The accident contaminated the entire laboratory with radiation.
   • Workers had to decontaminate the area after the spill.
   • The soil was contaminated by nuclear waste.

   المرادفاتactivateirradiate

   الأضدادcleancleansedecontaminatepurify

3. Infect with diseaseB2formalmedical

   To transmit a disease or infection to a person, animal, or environment.

   نقل العدوى

   • The virus can contaminate surfaces and remain active for hours.
   • Contaminated needles can spread serious diseases.
   • The patient was isolated to avoid contaminating others.

   المرادفاتblightinfectpoisonpollutetaint