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Definition of essential oil noun from the Oxford Advanced Learner's Dictionary

essential oil

noun

/ɪˌsenʃl ˈɔɪl/

/ɪˌsenʃl ˈɔɪl/

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an oil taken from a plant, used because of its strong smell for making perfume and in aromatherapy

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See essential oil in the Oxford Advanced American Dictionary

Check pronunciation: essential oil

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noun

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B2

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