oil

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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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

oil

(oyl),
An inflammable liquid, of fatty consistency and unctuous feel, which is insoluble in water, soluble or insoluble in alcohol, and freely soluble in ether. Oils are variously classified as animal, vegetable, and mineral according to their source (the mineral oils probably being of remote animal and vegetable origin); into fatty (fixed) and volatile oils; and into drying and nondrying (fatty) oils, the former gradually thickening when exposed to the air and finally drying to a varnish, the latter not drying but liable to become rancid on exposure. Many of the oils, both fixed and volatile, are used in medicine. For individual oils, see the specific names.
[L. oleum; G. elaion, originally olive oil]
Farlex Partner Medical Dictionary © Farlex 2012

oil

(oil)
n.
1. Any of numerous mineral, vegetable, or synthetic substances or animal or vegetable fats that are generally slippery, combustible, viscous, liquid or liquefiable at room temperatures, soluble in various organic solvents such as ether but not in water, and used in a great variety of products, especially lubricants and fuels.
2.
a. Petroleum.
b. A petroleum derivative, such as a machine oil or lubricant.
tr.v. oiled, oiling, oils
To lubricate, supply, cover, or polish with oil.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

oil

(oyl)
An inflammable liquid, of fatty consistency and unctuous feel, which is insoluble in water, soluble or insoluble in alcohol, and freely soluble in ether. Oils are variously classified as animal, vegetable, or mineral, according to their source; into fatty (fixed) and volatile oils; and into drying and nondrying (fatty) oils, the former becoming gradually thicker when exposed to air and finally drying to a varnish, the latter not drying but liable to become rancid on exposure. Many of the oils, both fixed and volatile, are used in medicine. For individual oils, see the specific names.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

oil

any fat that is liquid at room temperature.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

oil

(oyl)
An inflammable liquid, of fatty consistency and unctuous feel, which is insoluble in water, soluble or insoluble in alcohol, and freely soluble in ether.
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about oil

Q. Does fish-oil helps exercise induced asthma? I was diagnosed with exercise induced asthma a couple of year ago, and since then had better and worse times with my asthma, although the treatment I get. I read in a newspaper that fish oil can help exercise induced asthma- is that true? Do I have to eat fish-oil specifically or can I eat fish instead (I really, really, hate fish-oil…)?

A. I take 6, 1000mg softgels/day. It helps my asthma, arthritis and has lowered my closterol. Started with 10 and worked down to 6, which seems to work best, though sometimes I need the extra.

Q. if someone is allergic to olive trees, does that mean they are allergic to olive oil as well?

A. I asked him, and he said he has no prob with olive oil.
Dinner was spectacular if i may add :)

Q. I am wondering if any of you are ENTHUSED about the use of COCONUT OIL. I ask because it IS SATURATED FAT. I have trouble losing weight. That inculdes getting cold frequently, and was wondering if cocounut oil would help me maintain body temperture more easily. Also, I have notice that SOME claim that coconut oil has many health benefits not affiliated with polyunsaturates.

A. i know there was a Polynesian research about people that consume coconut oil on a daily basis in parallel to people who don't. they found out that there are high cholesterol levels among the people that consumed coconut oil but no significant difference in heart problems.

More discussions about oil
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References in periodicals archive ?
The agriculture sector in Arab countries, in general and the production of oil crops, in particular is severely affected by climatic factors including rain fall and extreme ambient temperature.
A successful oil crop certification program discourages conversion of certain land to crop production, thereby reducing oil crop supplies, just as biofuel production increases crop demand.
More research will enable the oil crop industry to put the technological developments from this project into practice.
Establishment and in vitro regeneration studies of the potential oil crop species Camelina sativa.
According to officials of the agriculture department the production of the mustard oil crop is likely to double this year.
However, this projection does not take into account potential biodiesel production from algae, a promising new oil crop. Pond algae may seem like a bizarre source of diesel fuel, but most of the world's petroleum resources were formed from vast amounts of algae that were transformed by heat and pressure over millions of years.
In order to attain greater self-reliance, Pakistan need to exploit its unrealised yield potential and comparative advantage in the production of oil crops. In order to accomplish this effectively the cultivation of individual oil crops should be attached priority on the basis of their oil yields, climatic requirements and consistency with other national objectives.
"But we all consume vegetable oils, and palm oil is the most efficient oil crop, so the more I find out about sustainable palm oil, the more I think 'wow, this could have a great impact, and it's really important.' "Rap is just one way to spread the word, but ultimately, imagine the effect if the whole word listens!" The Wild Science Rap will be one of many live events for visitors from July to September as part of Wild Worlds - Chester Zoo's first ever large-scale gardens and science festival.
Furthermore, it is the most productive oil crop in the world, being 10 times more productive than the soyabean, which produces only about 0.45 t of oil per hectare.
After that until 1940s it remained an important oil crop of the eastern and central Europe.
He also had the Food and Agriculture Organization of the United Nations (FAO) gold medals to his credit for edible oil crop production (sunflower) in 1995 and for Livestock production in 2005, which are vivid confirmations of international recognition of his efforts.