Disinfectant definition

dĭsĭn-fĕktənt
Frequency:
An agent, such as heat, radiation, or a chemical, that destroys, neutralizes, or inhibits the growth of disease-carrying microorganisms.
noun
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Disinfecting.
adjective
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Anything that disinfects; means for destroying harmful bacteria, viruses, etc.
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An agent, such as heat, radiation, or a chemical, that is applied to inanimate objects to destroy, neutralize, or inhibit the growth of disease-carrying microorganisms.
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Serving to disinfect.
adjective
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Referring to something that contains a disinfectant or has the properties of a disinfectant.

I washed repeatedly with a disinfectant soap but I still caught the flu.

adjective
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A substance which kills germs and/or viruses.

The scalpels were soaked in disinfectant before the operation so disease wouldn't be spread.

noun
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Serving to disinfect.
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Other Word Forms

Noun

Singular:
disinfectant
Plural:
disinfectants

Origin of disinfectant

  • From French désinfectant

    From Wiktionary