disinfectant

Etymology

English disinfect + -ant. Borrowed from French désinfectant.

adj

  1. Serving to kill germs or viruses.
    I washed repeatedly with a disinfectant soap but I still caught the flu.

noun

  1. A substance that kills germs and/or viruses.
    The scalpels were soaked in disinfectant before the operation so disease wouldn't be spread.

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