state of having been in contact with microorganisms. As used in health care, it generally refers to microorganisms capable of producing disease or infection.
appearing unethical due to a questionable source or motives; -- of money or activities; as, The fund was contaminated by a large donation from a mobster.
Any contaminated object that can penetrate the skin including, but not limited to, needles, scalpels, broken glass, broken capillary tubes, and exposed ends of dental wires.