Definition of biocide in English:

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Pronunciation: /ˈbīəˌsīd/


1A poisonous substance, especially a pesticide.
Example sentences
  • Some biocides are considered pesticides, and some States require that only registered pesticide applicators apply these products in schools.
  • Often referred to as non-agricultural pesticides, biocides encompass a wide range of applications including disinfection, preservation and pest control.
  • Chemical biocides are regulated by EPA under Federal pesticide law.
2The destruction of life: our whims have brought us to the brink of biocide
More example sentences
  • The delusion of separateness has engendered not only suicide, homicide, and genocide, but has pushed us to the brink of biocide, the destruction of the earth’s life support systems themselves.
  • Concerning the “biocide” of the earth, who do we owe for our actions?
  • Biocide is the ultimate of all human moral violations because it is the destruction of all life on Earth.



Pronunciation: /ˌbīəˈsīdl/
Example sentences
  • It is tolerant of a wide range of environmental conditions and surface coating types including biocidal antifouling paints and non-toxic foul-release coatings.
  • Directive of the European Parliament and Council of 16 February 1998 concerning the placing of biocidal products on the market.
  • Some of the high-tech tools now in the works include wall paints that kill bacteria, sports clothing that kills bacteria and eliminates odors, biocidal toothbrushes, and a robot that will clean up after you!


1940s: from bio- 'life' + -cide.

For editors and proofreaders

Syllabification: bi·o·cide

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