Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An agent, such as heat, radiation, or a chemical, that destroys, neutralizes, or inhibits the growth of disease-carrying microorganisms.
  • adj. Serving to disinfect.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Referring to something that contains a disinfectant or has the properties of a disinfectant.
  • n. A substance which kills germs and/or viruses.

from the GNU version of the Collaborative International Dictionary of English

  • n. That which disinfects, especially an agent for killing or removing the microorganisms which cause infection. Commonly used disinfectants are chlorine, sodium hypochlorite solution, hydrogen peroxide, and alcohol.

from The Century Dictionary and Cyclopedia

  • Serving to disinfect; disinfecting.
  • n. An agent used for destroying the contagium or germs of infectious diseases.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. preventing infection by inhibiting the growth or action of microorganisms
  • n. an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease

Etymologies

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