essential oil

noun

: any of a class of volatile oils that give plants their characteristic odors and are used especially in perfumes and flavorings, and for aromatherapy compare fixed oil

Examples of essential oil in a Sentence

Recent Examples on the Web But Take Note Due to the essential oil ingredients, this spray isn’t recommended for babies who are younger than 6 months old. Laura Lu, Ms, Parents, 31 May 2024 Therapeutic Grade Premium Essential Oils (MSRP: $69.95): Each fragrance in the essential oils kit has been formulated by distillation or cold press to concentrate the healing compounds of its parent plants into a small amount of oil, which can then be used as a powerful therapeutic agent. Tracy Yochum, Miami Herald, 23 May 2024 See all Example Sentences for essential oil 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'essential oil.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1674, in the meaning defined above

Time Traveler
The first known use of essential oil was in 1674

Dictionary Entries Near essential oil

Cite this Entry

“Essential oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/essential%20oil. Accessed 4 Jun. 2024.

Medical Definition

essential oil

noun
: any of a large class of volatile odoriferous oils of vegetable origin that give plants their characteristic odors and often other properties, that are obtained from various parts of the plants (as flowers, leaves, or bark) by steam distillation, expression, or extraction, that are usually mixtures of compounds (as aldehydes or esters), and that are used often in the form of essences in perfumes, flavorings, and pharmaceutical preparations

called also ethereal oil, volatile oil

compare fatty oil, fixed oil

More from Merriam-Webster on essential oil

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