fixed oil


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Related to fixed oil: volatile oil

oil

 [oil]
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.

fat·ty oil

an oil derived from both animals and plants; chemically, a glyceride of a fatty acid that, by substitution of the glycerine by an alkaline base, is converted into a soap; a fatty oil, in contrast to a volatile oil, is permanent, leaving a stain on an absorbent surface, and thus is not capable of distillation; it is obtained by expression or extraction; the consistency varies with the temperature, some being liquid (o.'s proper), others semisolid (fats), and others solid (tallows) at ordinary temperatures; both liquid and semisolid oils are congealed by cold and the solids are liquified by heat.
Synonym(s): fixed oil

fixed oil

Herbal medicine
A general term for a type of essential oil produced by plants that does not volatilise (i.e., is not aromatic).

oil

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.
2. a fat that is liquid at room temperature.

automobile oil
oil of chenopodium
extracted from the plant Chenopodium ambrosioides. An old-time anthelmintic.
oil-contamination
the coating of spilled crude oil on waterbirds that destroys the waterproofing and insulating properties of their feathers, predisposing them to hypothermia and impairing flight and swimming abilities. It also blocks nares, causes aspiration pneumonia, and has toxic effects on kidneys, reproduction and the gastrointestinal tract.
oil crop
crops grown primarily for their oil production, e.g. linseed, safflower, sunflower, rapeseed.
crude petroleum oil
crude oil and its several distillates are all relished by cattle and can cause poisoning. The oil as it is extracted from subterranean deposits varies widely in its additional contents. These may be salt or sulfur and cause poisoning by those substances. Oil causes vomiting and death from aspiration pneumonia. Animals do not do well and oil stays in the gut, appearing in the feces for long periods.
diesel and fuel oil
essential oil
called also ethereal oil; see volatile oil (below).
ethereal oil
see volatile oil (below).
fixed oil
an oil that does not evaporate on warming and occurs as a solid, semisolid or liquid.
oil gland
irritant oil
occurs in plants; causes gastroenteritis; includes bryonin, croton and castor oils.
mineral oil
a mixture of liquid hydrocarbons from petroleum. Mineral oil is available in both light (light liquid petrolatum) and heavy (liquid, or heavy liquid, petrolatum) grades. Light mineral oil is used chiefly as a vehicle for drugs, though it may also be used as a cathartic and to cleanse the skin. Heavy mineral oil is used as a cathartic, solvent and oleaginous vehicle. Excessive intake over a long period results in hypovitaminosis A.
oil pollution
aquatic birds are worst affected because of pasting together of feathers, poisoning because of contamination of food source, blocking of nares and eyes and starvation because of unpalatability of food supply.
oil products
includes kerosene (or kerosine, or paraffin), gasoline (or petrol), diesoline and additives to lubricating oils, e.g. highly chlorinated naphthalenes; any of them may cause poisoning.
oil spill
accidental or negligent discharge of industrial oil on a body of water; effect is that the oil floats and pollutes the shore and covers aquatic birds and mammals with fatal results in most cases; salvage depends on capture of affected birds and animals and removing the oil.
sump oil
sweet birch oil
see methyl salicylate.
turpentine oil
see turpentine oil.
volatile oil
an oil that evaporates readily; such oils occur in aromatic plants, to which they give odor and other characteristics.
oil of Wintergreen
see methyl salicylate.
yew oil
an irritant oil in Taxus baccata, but not the principal irritant in that plant—taxine is.
References in periodicals archive ?
Fixed oil of Nigella sativa and derived thymoquinone inhibit eicosanoid generation in leukocytes and membrane lipid peroxidation.
In our current investigation, we present the chemical composition of fixed oil (NnFO) obtained from seeds of Nelumbo nucifera Gaertn along with antimicrobial, antileishmanial and urease inhibitory activities compared to its various fractions (crude, N1-N4).
The melting point of a fixed oil is associated with the content of unsaturated fatty acids in its composition, the higher the saturated/unsaturated fatty acids ratio in a fixed oil, the great the tendency to increase of the melting point.
The seed contains 40-60% of a high quality fixed oil that resists oxidative rancidity.
sativa fixed oil has shown significant analgesic activity in both tail flick and acetic acid-induced method of analgesia suggesting that, besides central mechanism of action, other pain mechanisms are also important.
Keywords: Caralluma tuberculata, Fixed oil, Urease inhibitory activity, GC-MS.
Recently it has been shown that either fixed oil or NS seed affected blood homeostasis in rats and seems to induce transient changes in the coagulation activity (Zaoui et al.
We also have approximately 75% of our estimated current oil production hedged for the 45-month period from April 2003 through December 20, 2006 based on NYMEX Oil Swap Contracts at fixed oil prices per barrel of $24.
It must be carried out approximately 7,000 mA filling of ceilings - and wall surfaces,approximately 16,500 mA glass cloth,approximately 6,300 mA GK and St-concrete ceilings emphasize550 mA Fixed oil painting screeds,300 pcs.
The GC-MS analysis of Malcolmia africana essential oil and fixed oil was also carried out.
While budget law has fixed oil prices at 92 dollars per barrel but the average oil price has been 103 dollars so far, implying making more revenues in comparison to budget targets," he added.
We investigated the toxicity of the fixed oil of Nigella sativa L seeds in mice and rats through determination of [LD.