essential oil

(redirected from Hydrosols)
Also found in: Dictionary, Thesaurus, Encyclopedia.


1. an unctuous, combustible substance that is liquid, or easily liquefiable, on warming, and is not miscible with water, but is soluble in ether. Such substances, depending on their origin, are classified as animal, mineral, or vegetable oils. Depending on their behavior on heating, they are classified as volatile or fixed. For specific oils, see under the name, as castor oil.
2. a fat that is liquid at room temperature.
essential oil volatile o.
expressed oil (fatty oil) (fixed oil) one that is not volatile, i.e., does not evaporate on warming; such oils consist of a mixture of fatty acids and their esters, and are classified as solid, semisolid, and liquid, or as drying, semidrying, and nondrying as a function of their tendency to solidify on exposure to air.
volatile oil an oil that evaporates readily; such oils occur in aromatic plants, to which they give odor and other characteristics.

essential oil

Alternative medicine
An oil distilled or extracted from various plants (e.g., citrus fruits, eucalyptus, flowers, lavender, peppermint, rosemary, tea tree and others), which is used in aromatherapy.

es·sen·tial oil

(ĕ-sen'shăl oyl)
A plant product, usually somewhat volatile, giving the odors and tastes characteristic of the particular plant; usually, the steam distillates of plants or of oils obtained by pressing the rinds of plants.
See also: volatile oil

Essential oil

A volatile oil extracted from the leaves, fruit, flowers, roots, or other components of a plant and used in aromatherapy, perfumes, and foods and beverages.
Mentioned in: Aromatherapy

es·sen·tial oil

(ĕ-sen'shăl oyl)
A plant product, usually somewhat volatile, giving the odors and tastes characteristic of the particular plant.

Patient discussion about essential oil

Q. Have you ever try Flower Essences for bipolar disorders??? I am Flower Essences practitioner as well as a Cognitive Behavior Therapist educated in Venezuela.I have wonderful experiences with Flower Essences and Alternative Terapies.

A. i never tried flower essence in any medical situation. maybe i will, i think it's worth a try. but about Bipolar disorder- changing medications that work and, even though they have unpleasant side effects, proven to help- could have destructive outcome. so in this case i don't think that it's wise to do so.

More discussions about essential oil
References in periodicals archive ?
Simply observing the distillation process gives an insight into how valuable and potent hydrosols are.
John's wort, jojoba, fractionated coconut oil, flower essences, and lavender hydrosol. The blend is also available as a hydrosol mist, which can be sprayed on painful areas and gently massaged in.
It is generally accepted that only high purity products, such as silver hydrosol with only two ingredients, can use the current peer-reviewed literature as guidance.
Since water is the primary ingredient in many cosmetics, some of these manufacturers are using hydrosols, or floral water, in their products and claiming that the hydrosols are organic.
Department of Agriculture for organic food, and are asking for the rules to be interpreted to exclude hydrosol (since they claim it is not strictly agriculturally derived) as well as many other common ingredients.
A 10 L still should collect 500 mL of hydrosol. The oil has been expelled from the mass of water and floats to the top.
Although essential oils and hydrosols are pleasing to our sense of smell, they are not all benign.
Ingredients include hydrosols of Euphrasia, Chamomile and Arnica obtained from fresh herbs.
However, it presents a relative homogeneity on regional level, the soils of this basin are characterized by a large diversity on local level, thus explaining their classification into seven classes, starting with protisols, cernisols, luvisols, vertosols, hydrosols, salsodisols, and anthrosols.
Goswami, "Novel fluorescent matrix embedded carbon quantum dots for the production of stable gold and silver hydrosols," Journal of Materials Chemistry, vol.
Dinegar, "Theory, production and mechanism of formation of monodispersed hydrosols," Journal of the American Chemical Society, vol.