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bur

 [ber]
a form of drill used for creating openings in bone or similar hard material. Also spelled burr.
Bur. From Dorland's, 2000.

bur

(ber), This spelling is preferred to burr.
1. A rotary cutting instrument.
2. In ophthalmology, a device used to remove rust rings embedded in the cornea.
Synonym(s): burr

bur

(bur) a form of drill used for creating openings in bone or similar hard material.

bur

See burr.

burdock

Chinese medicine
A biennial herb rich in essential oils, arctiol, fukinone, volatile (acetic, butyric, isovaleric) and propionic acids, inulin (up to 50% by weight), non-hydroxyl (lauric, myristic, palmitic, and stearic) acids, polyacetylenes, tannic acid and taraxasterol; the seeds and roots are anti-inflammatory, antimicrobial, antipyretic, antitussive, diaphoretic, diuretic, expectorant and laxative. Burdock is used for abscesses, bronchitis, chickenpox, low back pain, pulmonary congestion, syphilis and urethritis; the seeds are used to treat colds, measles, sore throat and tonsillitis; the roots and leaves are used for rheumatic complaints and gout.

Herbal medicine
Burdock is used by Western herbologists internally for bacterial and fungal infections, cystitis, fever, recuperation from strokes, renal disease, as a gastrointestinal tonic, to detoxify various organs; it is used topically for skin conditions such as acne, bites, dandruff, eczema, psoriasis, gout and leprosy.

Toxicity
Burdock should not be used in pregnancy, as it stimulates uterine contraction, or in young children.

bur

(bŭr)
A rotary cutting instrument, used in dentistry, consisting of a small metal shaft and a head designed in various shapes; used at various rotational velocities to excavate decay, shape cavity forms, and reduce tooth structure.

bur

(bŭr)
A rotary cutting instrument, used in dentistry, consisting of a small metal shaft and a head designed in various shapes; used at various rotational velocities to excavate decay, shape cavity forms, and reduce tooth structure.

bur,

n a rotary cutting instrument of steel or tungsten carbide, supplied with cutting heads of various shapes.
bur, carbide,
n a bur made of tungsten carbide; used at high rotational speeds.
bur, crosscut,
n a bur with blades slotted perpendicularly to the axis of the bur.
bur, end-cutting,
n a bur that has cutting blades only on the end of its head.
bur, excavating,
n a bur used to remove dentin and debris from a cavity.
bur, finishing,
n a bur with numerous fine-cutting blades placed close together; used to contour metallic restorations.
bur, inverted cone,
n a bur with a head shaped like a truncated cone, the larger diameter being at the terminal (distal) end.
bur, plug-finishing,
n See bur, finishing.
bur, round,
n a bur with a sphere-shaped head.
bur, straight fissure,
n a bur without crosscuts that has a cylindrical head.
bur, tapered fissure,
n a bur having a long head with sides that converge from the shank to a blunt end.

bur

a surgical instrument used to ream out the lining of a cavity, for example the lateral ventricle of horses in the operation for roaring, or to debride bone or teeth. A long stem with a round or oval head carrying rasp-like teeth. See also burr.

finishing bur
for shaping and smoothing composite or amalgam when used for filling teeth.
References in periodicals archive ?
Bures was living in Spain, with his wife Denise when Melling settled nearby and it is believed the men became friends.
But remanding Melling, 57, and Bures, 53, in custody, he warned: "These are serious matters and custodial sentences are inevitable.
Ideal for families, the Outrigger Reef Fiji is also introducing an entirely new style of double (connecting) bures that can accommodate up to 8 persons.
But Stephen Moore, representing Bures, said: "He vehemently denies the allegations.
Middleaged Bures is believed to be living in Spain and also has relatives living in the Kent area.
The same components of nonlinear filmmaking and binaural recording were used to great effect in The Paradise Institute, Cardiff and Bures Miller's movietheater manque celebrated at the 2001 Venice Biennale and later exhibited in New York and elsewhere.
Viktor said his son, a millionaire ice hockey star who plays for Detroit, was devastated when Anna began two-timing him with rival ice hockey star Pavel Bure, 29, who plays in Miami.
A contributing editor of Artforum, Daniel Birnbaum is director of the Stadelschule art academy and Portikus gallery in Frankfurt, for which he is currently organizing exhihitions of the work of Louise Lawler and Janet Cardiff and George Bures Miller.
1's presentation tends to exaggerate the flaws in Cardiff's project, the exhibition, which includes a pair of single-channel videos, documentation of six walks, and four installations (two featuring miniature peep show-style theaters we re created with her longtime partner George Bures Miller), provides the opportunity for a reassessment of her practice.
The 525-acre resort and spa boasts 19 unique villas and bures, a world-class spa that merges ancient wisdoms with the knowledge of modern medical sciences and research to create a generous variety of activities.
A mazelike structure of a kind very different from Schneider's claustrophobic nightmares awaits once you put on the headphones in Janet Cardiff and George Bures Miller's cinema in the Canadian pavilion.