burr

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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

burr

A drill bit used to cut hard tissues (e.g., enamel, bone) in dentistry or orthopaedics.

burr

A drill bit used to cut hard tissues–enamel, bone in dentistry or orthopaedics

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 ?
When you've removed all the burrs, give your dog a quick brushing with the wire brush to remove any remaining burr residue.
The old gelding with the bad eye had a lot of burrs stuck in his mane and forelock.
easy to use, and easy to clean: however, the grind's size cannot be controlled as easily as with a burr grinder.
Pinna follows Burr through various rooms of a home filled with memoirs; photos of the love of his life (a black man accidentally killed by cops) and of himself as a young man (pic's title relates to something Bellamann wrote to Burr regarding the photo) send "Letters to Uranus" into unexpected depths of emotion.
The show-stopping moments were too numerous to list, but Julia Murney made a hauntingly vulnerable Queenie, Brian d'Arcy James was a riveting Burrs (shades of Stanley Kowalski), and Alix Korey as Madelaine True brought down the house with "An Old-Fashioned Love Story." The youthful cast, funky setting, and high energy added up to an excitement no musical has mustered since Rent.
After retirement, the Burrs expect to spend a total of $85,100 per year, which is approximately 50% of their current expenditures.
Basically, two types of grinders are on the market--blade and burr. Blade grinders that grind coffee with rotating stainless steel blades comprise the largest segment of the grinder market in terms of units.
"Burdock is not some weird, carnivorous plant." Its seed heads stiffen into effective burrs only when the biennial plant dies and dries out.
An operators can pinpoint the nozzle into the smallest areas--some so small the operator must use magnification to find the burrs.
* Functional: loose particles in hydraulic or pneumatic parts that would hamper function or destroy other parts--or burrs that interface with the sliding movement of parts.