Essential oil
An oil derived from a natural substance, usually either for its healing properties or as a perfume. Some pharmaceuticals, and many over-the-counter or “holistic” remedies, are based on or contain essential oils. Examples include products containing camphor or eucalyptus that help relieve congestive coughs, and the essential oils used in the practice of aromatherapy.

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essential oil n 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 usu. 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

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a volatile oil derived from an aromatic plant. Essential oils are used in various pharmaceutical preparations.

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ethereal oil volatile o.

Medical dictionary. 2011.

Look at other dictionaries:

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  • essential oil — n. any volatile oil that gives distinctive odor, flavor, etc. to a plant, flower, or fruit …   English World dictionary

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  • essential oil — any of a class of volatile oils obtained from plants, possessing the odor and other characteristic properties of the plant, used chiefly in the manufacture of perfumes, flavors, and pharmaceuticals. [1665 75] * * * Any of a class of highly… …   Universalium

  • essential oil — UK / US noun [countable/uncountable] Word forms essential oil : singular essential oil plural essential oils an oil that contains the qualities of the plant that it is taken from, used for making perfume and in aromatherapy …   English dictionary

  • essential oil — noun an oil having the odor or flavor of the plant from which it comes; used in perfume and flavorings • Syn: ↑volatile oil • Hypernyms: ↑oil • Hyponyms: ↑ilang ilang, ↑bitter almond oil, ↑attar, ↑ …   Useful english dictionary

  • essential oil — eterinis aliejus statusas T sritis chemija apibrėžtis Augalinis kvapus angliavandenilių, alkoholių, aldehidų, ketonų, esterių, eterių ir kt. mišinys. atitikmenys: angl. essential oil; volatile oil rus. эфирное масло …   Chemijos terminų aiškinamasis žodynas

  • essential oil — a volatile oil derived from an aromatic plant. Essential oils are used in various pharmaceutical preparations …   The new mediacal dictionary

  • essential oil — The scented liquid taken from certain plants using steam or pressure. Essential oils contain the natural chemicals that give the plant its «essence» (specific odor and flavor). Essential oils are used in perfumes, food flavorings, medicine, and… …   English dictionary of cancer terms

  • essential oil — es.sential oil n an oil from a plant that has a strong smell and is used for making ↑perfume or in ↑aromatherapy …   Dictionary of contemporary English

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