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 For some, essential oils and parabens can also contribute to irritation. Lacey Muinos, Health, 25 Apr. 2024 Lavender essential oil may be beneficial for anxiety, depression and sleep. Hannah Yasharoff, USA TODAY, 22 Apr. 2024 Some models offer dishwasher-safe tanks, while others are hand wash-only. Features Whether its LED lights, sleep modes, or essential oil diffusers, humidifiers may include any number of extra features to boost their functionality. Paige Bennett, Better Homes & Gardens, 6 Apr. 2024 However, Poison Control considers the plant poisonous and advises that the essential oil is very toxic when ingested. Steve Bender, Southern Living, 6 Apr. 2024 This best smelling shampoo for men is full of essential oil ingredients that will have your hair feel healthier in no time. Amber Smith, Discover Magazine, 3 Apr. 2024 On the other hand, essential oils are extracted from flowers, leaves, and stems (like rosemary and castor oil). Jenn Barthole, Glamour, 29 Mar. 2024 Other class-action lawsuits against a swath of direct-sales companies—including Young Living (essential oils), LuLaRoe (apparel), and Arbonne (nutrition and skin care)—have been either dismissed or settled out of court in recent years. Jessica Winter, The New Yorker, 20 Mar. 2024 Some research has shown that essential oils can offer some benefit for some health concerns. Hannah Yasharoff, USA TODAY, 6 Apr. 2024

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 29 Apr. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!