| balsam | 1. A resin containing more or less of an essential or volatile oil. The balsams are aromatic resinous substances, flowing spontaneously or by incision from certain plants. A great variety of substances pass under this name, but the term is now usually restricted to resins which, in addition to a volatile oil, contain benzoic and cinnamic acid. Among the true balsams are the balm of Gilead, and the balsams of copaiba, Peru, and Tolu. There are also many pharmaceutical preparations and resinous substances, possessed of a balsamic smell, to which the name balsam has been given. 2. <botany> A species of tree (Abies balsamea). An annual garden plant (Impatiens balsamina) with beautiful flowers; balsamine. 3. Anything that heals, soothes, or restores. <botany> "Was not the people's blessing a balsam to thy blood?" (Tennyson) Balsam apple, the American coniferous tree, Abies balsamea, from which the useful Canada balsam is derived. Balsam of copaiba. See Copaiba. Balsam of Mecca, balm of Gilead. Balsam of Peru, a reddish brown, syrupy balsam, obtained from a Central American tree (Myroxylon Pereirae and used as a stomachic and expectorant, and in the treatment of ulcers, etc. It was long supposed to be a product of Peru. Balsam of Tolu, a reddish or yellowish brown semisolid or solid balsam, obtained from a South American tree (Myxoxylon toluiferum). It is highly fragrant, and is used as a stomachic and expectorant. Balsam tree, any tree from which balsam is obtained, especially. The Abies balsamea. Canada balsam, Balsam of fir, Canada turpentine, a yellowish, viscid liquid, which, by time and exposure, becomes a transparent solid mass. It is obtained from the balm of Gilead (or balsam) fir (Abies balsamea) by breaking the vesicles upon the trunk and branches. See Balm. Origin: L. Balsamum the balsam tree or its resin, Gr. See Balm. Source: Websters Dictionary (01 Mar 1998) |
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| balsam of copaiba | The oleoresin of Copaifera officinalis and other species of Copaifera (family Leguminosae), a South American plant; copaiba oil is used as an expectorant, diuretic, and stimulant. Synonym: balsam of copaiba. Origin: Sp. (05 Mar 2000) |
| balsam of Peru | A thick, dark brown liquid balsam obtained from Toluifera pereirae (family Leguminosae), containing 60% cinnamein; used as a healing application to wounds. (05 Mar 2000) |
| balsam, Canada | <microscopy> A resin from the balsam fir Abies balsamea. Dissolved in xylene, toluene, or benzene it is used as a mountant for permanent microscopical preparations. Its refractive index may vary from 1.530 to l.545 and its softening point from room temperature to 100deg.C, these properties varying with age and solvent content. If impure it discolours with age. See: lens, Bertrand. (05 Aug 1998) |
| balsamic | 1. Relating to balsam. 2. Fragrant. (05 Mar 2000) |
| balsamine | <botany> The Impatiens balsamina, or garden balsam. Origin: Cf. F. Balsamine, fr. Gr. Balsam plant. Source: Websters Dictionary (01 Mar 1998) |
| balsams | Semifluid, resinous, and fragrant liquids of vegetable origin, usually trees, which are often composed chiefly of resins, volatile oils, cinnamic acid, and benzoic acid. The balsams mostly commonly seen in medicine, largely historically, are the balm of gilead, balsam of peru, and tolu balsam. (12 Dec 1998) |
| Baltic myoclonus disease | One of the familial light sensitive myoclonic epilepsies. Unlike Lafora body polymyoclonus, where inclusion bodies are seen in the brain cells, the prognosis is often favourable. Probably an autosomal recessive disorder. (05 Mar 2000) |
| baltic states | The collective name for the republics of estonia, latvia, and lithuania on the eastern shore of the baltic sea. (12 Dec 1998) |
| baltimore oriole | <zoology> A common American bird (Icterus galbula), named after Lord Baltimore, because its colours (black and orange red) are like those of his coat of arms. Synonym: golden robin. Source: Websters Dictionary (01 Mar 1998) |
| Baltimore, David | <person> Born 1938. An American molecular biologist and virologist who won the Nobel Prize in 1975 for discovering that retroviruses (a group of viruses that uses RNA to code their genomes instead of DNA) make the enzyme reverse transcriptase, which is used to make DNA copies of RNA templates. This is useful to the retrovirus who is trying to reproduce with host cellular machinery. More important, this is very useful to molecular biologists and genetic engineers who want to work with RNA molecules using DNA-manipulating techniques. Lived: 1938- (13 Nov 1997) |
| Balantidium |
(Bal
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| Baldy's operation |
(Bal
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| Baldy-Webster operation |
(Bal
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| Balint syndrome |
(Bal
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| Ball's valve |
(Ball's valve) (bawlz) [Sir Charles Bent Ball, Irish surgeon, 1851?916] valvulae anales.
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| BAL | a large outdoor fire |
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| BAL | threatening or foreshadowing evil or tragic developments |
| BAL | deadly or sinister |
| BAL | in a baleful manner |
| BAL | the quality or nature of being harmful or evil |
| BAL | Spanish fashion designer known for his stark elegant designs (1895-1972) |
| BAL | English statesman |
| BAL | an island in Indonesia east of Java |
| BAL | shrubby tree widely distributed along tropical shores |
| BAL | the Indonesian language of the people of Bali |
| BAL | wire used to make bales |
| BAL | type genus of the Balistidae |