bur


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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

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.
References in periodicals archive ?
The negative control group had uncontaminated burs (new/unused) while the positive control group consisted of used contaminated burs.
Group 4 consisted of contaminated burs which were subjected to manual scrubbing, ultrasonic cleaning for 10 minutes, and placement in enzymatic solution for 10 minutes.
After cleaning, all the dental burs of test groups were sterilised using steam autoclave (Melag, Vacuklave 23 B+, Berlin, Germany) for 3.5 minutes at 134AdegC.
Inter-examiner reliability was examined on a subset of 50 randomly selected burs and agreement between two investigators was determined using Kappa statistics that turned out to be excellent at 0.80.
Wet sample weights were determined, and buffalograss burs and caryopses, and legume seeds were recovered from the digesta using a dilution and settling method similar to that described by Ocumpaugh et al.
Burs, caryopses and legume seeds were recovered from feces samples of known weights.
- Buffalograss burs and caryopses from each steer for each of the 24-h periods were placed in separate 100-ram petri dishes on top of two circles of germination blotter paper.
To provide a control treatment, three untreated replications of 100 burs and 100 caryopses from each of the same three seedlots fed were included in each experiment.
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