Definition of essential oil in English:

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essential oil

Pronunciation: /əˈsen(t)SHəl oil/

noun

A natural oil typically obtained by distillation and having the characteristic fragrance of the plant or other source from which it is extracted.
Example sentences
  • Sometimes, the hot steam or water used to distill an essential oil does not extract much natural oil from the plant or harms the precious natural oil.
  • Quality essential oils are an important part of any aromatherapy programme.
  • Combine basil essential oil with other essential oils to make perfumes and toilet water.

For editors and proofreaders

Syllabification: es·sen·tial oil

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