| birth defect | Defect present at birth; sometimes referred to as congenital defect. (05 Mar 2000) |
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| birth fracture | Fracture occurring during the trauma of delivery or, occasionally, before delivery in infants with osteogenesis imperfecta. (05 Mar 2000) |
| birth injuries | Mechanical or anoxic trauma incurred by the infant during labour or delivery. (12 Dec 1998) |
| birth intervals | Interval between onset of sexual relations by a woman and the birth of her first child and intervals between successive births. This includes use of family planning to control birth intervals. (12 Dec 1998) |
| birth order | The sequence in which children are born into the family. (12 Dec 1998) |
| birth palsy | Indefinite term for any motor abnormality in the infant caused by or attributed to the birthing process; includes obstetrical paralysis, infantile hemiplegia, etc. Synonym: infantile hemiplegia. (05 Mar 2000) |
| birth rate | The birth rate is usually given as the number of live births divided by the average population (or the population at midyear). This is termed the crude birth rate. In 1995, for example, the crude birth rate per 1,000 population was 14 in the United States, 16.9 in Australia, etc. (12 Dec 1998) |
| birth trauma | Physical injury to an infant during its delivery, the supposed emotional injury, inflicted by events incident to birth, upon an infant which allegedly appears in symbolic form in patients with mental illness. Trauma from occlusion, a reversible lesion in the periodontium caused by excessive movement of teeth. Occlusal trauma, abnormal occlusal stresses capable of producing or which have produced pathologic changes in the tooth and its surrounding structures. Psychic trauma, an upsetting experience precipitating or aggravating an emotional or mental disorder. (05 Mar 2000) |
| birth weight | In humans, the first weight of an infant obtained within less than the first 60 completed minutes after birth; a full-size infant is one weighing 2500 g or more; a low birth weight is less than 2500 g. (05 Mar 2000) |
| birthing centres | Free-standing facilities that provide prenatal, childbirth, and postnatal care and usually incorporate family-centreed maternity care concepts and practices. (12 Dec 1998) |
| birthmark | <dermatology, paediatrics> Red or purple-coloured vascular skin markings that develop shortly after birth. most are usually painless and benign. Some lesions (cavernous haemangiomas) will disappear or become harder to see as the child approaches school age. Localised steroid injections have been used successfully to reduce the size of a birthmark. (19 Jan 1998) |
| birthroot | <botany> An herbaceous plant (Trillium erectum), and its astringent rootstock, which is said to have medicinal properties. Source: Websters Dictionary (01 Mar 1998) |
| birth rate |
birthrate: the ratio of live births in an area to the population of that area; expressed per 1000 population per year
출처: wordnet.princeton.edu/perl/webwn
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| birthmark |
a blemish on the skin that is formed before birth
출처: wordnet.princeton.edu/perl/webwn
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| birch |
Birch is the name of any tree of the genus Betula, in the family Betulaceae, closely related to the beech/oak family, Fagaceae. These are generally small to medium-size trees or shrubs, mostly of northern temperate climates. The simple leaves may be toothed or lobed. The fruit is a small samara, although the wings may be obscure in some species. ...
출처: en.wikipedia.org/wiki/Birch
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| biramous |
Biramous is a term used for branched arthropod appendages. Theseare most commonly branched into a gill and leg with a common root at a body segment. Each leg/gill structure will be paired with a second biramous structure on the other side of the body. Biramous appendages are best known from trilobites where all the legs -- both on the head and the thorax -- are parts of biramous structures with a gill branching off above the leg. ...
출처: en.wikipedia.org/wiki/Biramous
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| birefringence |
Birefringence, or double refraction, is the division of a ray of light into two rays (the ordinary ray and the extraordinary ray) when it passes through certain types of material, such as calcite crystals, depending on the polarization of the light. This is explained by assigning two different refractive indices to the material for different polarizations. ...
출처: en.wikipedia.org/wiki/Birefringence
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| BIR | any of numerous brilliantly colored plumed birds of the New Guinea area |
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| BIR | ornamental plant of tropical South Africa and South America having stalks of orange and purplish-blue flowers resembling a bird |
| BIR | a tropical flowering shrub having bright orange or red flowers |
| BIR | any bird that migrates seasonally |
| BIR | someone who leads a wandering unsettled life |
| BIR | any of numerous carnivorous birds that hunt and kill other animals |
| BIR | United States saxophonist and leader of the bop style of jazz (1920-1955) |
| BIR | plant bearing very small and very hot oblong red fruits |
| BIR | a building where birds are kept |
| BIR | small lead shot for shotgun shells |
| BIR | common perennial climber of temperate regions of Eurasia and North America having dense elongate clusters of flowers |
| BIR | a person who identifies and studies birds in their natural habitats |