| OIF | observed intrinsic frequency; oil immersion field; Osteogenesis Imperfecta Foundation |
|---|---|
| ol | oliv olive oil [Lat. oleum olivea] |
| OR | a logical binary relation that is true if any argument is true, and false otherwise; [o]estrogen rec... |
| ORE | oil retention enema |
| ORO | oil red O |
| light treatment | Treatment with light. For example, a newborn with jaundice may be put under the lights. (12 Dec 1998) |
|---|---|
| light water | <radiobiology> Ordinary H2O, as opposed to heavy water, which contains atoms of the heavier isotopes of hydrogen, deuterium and/or tritium. See: hydrogen, isotope, deuterium, tritium, heavy water. (09 Oct 1997) |
| light-water reactor | <radiobiology> Class of fission reactors using ordinary light water as a coolant, rather than liquid metal or heavy water (water with deuterium instead of hydrogen). (09 Oct 1997) |
| light wire appliance | An orthodontic appliance utilizing small gauge labial wires with expansion and contraction loops formed into it and attached to bands fitted to individual teeth; sometimes called Begg light wire differential force technique. (05 Mar 2000) |
| ajowan oil | A volatile oil distilled from the fruit of Carum copticum, one of the sources of thymol; a carminative, aromatic, and expectorant. Synonym: ptychotis oil. (05 Mar 2000) |
| allspice oil | pimenta oil |
| almond oil | A fixed oil expressed from sweet almonds, the kernels of varieties of Prunus amygdalus; used in ointments. Bitter almond oil, a volatile oil from the dried ripe kernels of bitter almonds and from other kernels containing amygdalin; it contains between 2 and 4% of hydrocyanic acid and 95% of benzaldehyde. (05 Mar 2000) |
| apple oil | Isoamyl isovalerate;used as a sedative; formerly used in the treatment of gallstones because of its solvent action on cholesterol. Synonym: apple oil. (05 Mar 2000) |
| apricot kernel oil | See: persic oil. (05 Mar 2000) |
| arachis oil | Oil extracted from the kernels of one or more cultivated varieties of Arachis hypogaea (family Leguminosae); used as a solvent for intramuscular injections and in the preparation of foods. Synonym: arachis oil. (05 Mar 2000) |
| aromatic castor oil | Contains cinnamon oil 3, clove oil 1, vanillin 1, saccharin 0.5, alcohol 30, in castor oil to make 1000; a cathartic. (05 Mar 2000) |
| barrel of oil equivalent | A unit of energy equal to the amount of energy contained in a barrel of crude oil. Approximately 5.78 million Btu or 1,700 kWh. A barrel is a liquid measure equal to 42 gallons. (05 Dec 1998) |
| beech oil | A thick, oily, dark brown liquid with the odour of creosote; largely used as a source of creosote. Synonym: beech oil. (05 Mar 2000) |
| benne oil | <chemical> The refined fixed oil obtained from the seed of one or more cultivated varieties of sesamum indicum. It is used as a solvent and oleaginous vehicle for drugs and has been used internally as a laxative and externally as a skin softener. It is used also in the manufacture of margarine, soap, and cosmetics. Chemical name: Fats and Glyceridic oils, sesame (12 Dec 1998) |
| betula oil | Oil of sweet birch, a volatile oil obtained by distillation from the bark of Betula lenta (sweet birch); used as a flavoring agent and as a counterirritant liniment. See: methyl salicylate. (05 Mar 2000) |