Definition of disinfect in English:

Share this entry


Pronunciation: /dɪsɪnˈfɛkt/


[with object]
Clean (something), especially with a chemical, in order to destroy bacteria: he disinfected and dressed the cut on his forehead chlorine has been used to disinfect water in pools for many years
More example sentences
  • Destroy badly diseased plants, and thoroughly clean and disinfect their containers before reusing them.
  • Today doctors use medicinal maggots to clean wounds by dissolving dead tissue and to disinfect them by killing bacteria.
  • And once you bring home your new pet, you need to be ready for years of daily food preparation, cleaning and disinfecting the cage.


Late 16th century (in the sense 'rid of infection'): from French désinfecter, from dés- (expressing reversal) + infecter 'to infect'.

For editors and proofreaders

Line breaks: dis|in¦fect

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Related Words