Definition of non-chemical in English:

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non-chemical

adjective

Not containing or involving the use of artificial chemicals: non-chemical forms of weed and pest control non-chemical sunblocks like zinc oxide
More example sentences
  • A very good non-chemical way of fighting depression is exercise.
  • These microbes are the key to non-chemical methods of turf maintenance.
  • All cancer research scientists should also have to spend a major part of their time on non-chemical, non-genetic treatments or environmental causes of cancer.

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