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A circular frame or disk designed to revolve around an axis.


1 a rigid circular frame designed to revolve about an axis in the center of the disk.
2 a round cutting or polishing dental instrument.


A disk attached through its middle to an axle that rotates. In dentistry, small wheels are attached to a handpiece or lathe, and used for polishing and shaping teeth, restorations, and appliances.

carborundum wheel

A cutting wheel containing silicon carbide, in variable grit sizes.

diamond wheel

In dentistry, a wheel that contains diamond powder or chips.
Enlarge picture

medicine wheel

A symbol used by Native Americans to represent wholeness and balance. The medicine wheel consists of a circle with four quadrants representing spiritual, mental, physical, and emotional planes of existence.
See: illustration

polishing wheel

In dentistry, a wheel made of soft material suitable for polishing teeth or restorations.

pregnancy wheel

A round calculator, similar to a slide rule in its construction, that uses the first day of the last menstrual period of a pregnant woman to identify the expected date that her baby will be born.

Patient discussion about wheel

Q. Do you want to end because of a vaccination in a wheel chair? It is already about 12 years ago. I met a mother with her kids. One came always in a wheel chair to the services. His terrible story is still in my mind. It could be shown, that because of a vaccination he got the cytomegalovirus infection (CMV) and then spastic paralysis.

A. Corrigendum: If you know somebody speaking German and English who could...

More discussions about wheel
References in periodicals archive ?
Now, GeoOrbital has launched a campaign with global funding group Kickstarter to accept pre-orders and market the detachable wheel before it commercially debuts in stores.
4 : something having a wheel as its main part <a spinning wheel>
When weighing the pros and cons of wheel loaders and skid steers, a solid knowledge of a facility's individual needs is a good first step to-ward choosing between the two.
And while Royce agrees that an eCorner module will be much more expensive than a road wheel alone, he says its greater dynamic capability will prevent enough accidents to reduce overall vehicle ownership cost.
Laufenberg says recyclers or contractors need to consider whether there is enough room for a wheel loader to maneuver safely.
Align the mounting screws provided with the new wheel bracket with the holes.
But each time the LandRoller's giant wheels rotate, they cover more distance than a traditional skate's small wheels.
In Europe, Hayes Lemmerz is the only wheel manufacturer that produces both steel wheels and aluminum wheels and serves both passenger vehicle and commercial truck segments.
The grade of a grinding wheel is a measure of the strength of the bonding material holding the individual grains in the wheel.
Automobile and light truck wheel weights are lead castings 5-150 mm long and weigh 7-113 g.
Options include a heated steering wheel and incredibly comfortable articulating seats.