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speed

(spēd),
The magnitude of velocity without regard to direction. Compare: velocity.

speed

(spēd)
n.
Slang A stimulant drug, especially amphetamine or methamphetamine.
v. sped (spĕd) or speeded, speeding, speeds
v.intr.
Slang To be under the influence of a stimulant drug.

speed

Etymology: AS, spedan, to hasten
1 the rate of change of position with time. Compare velocity.
2 See amphetamines.
3 a reciprocal of the amount of radiation used to produce an image with various components of an x-ray imaging system, such as screens, film, and image intensifiers. There is often a tradeoff between radiation dose to the patient and the overall image quality. Thus a system using little radiation is "fast," whereas one requiring more radiation is "slow."
4 the amount of exposure of film to light or x-rays needed to produce a desired image. X-ray film speed usually is indicated as the reciprocal of the exposure in roentgens necessary to produce a density of 1 above the base and fog levels. See also fogged film fault.
Drug slang A regional street synonym for amphetamine, which may also refer to methamphetamine and crack cocaine
Vox populi Rapidity of movement

SPEED

Cardiology A clinical trial–Strategies for Patency Enhancement in the Emergency Department

speed

Drug slang A street synonym for amphetamine, which may also refer to methamphetamine and crack

speed

(spēd)
The magnitude of velocity without regard to direction.
Compare: velocity

speed

the change of distance with respect to time. A scalar quantity (i.e. having no directional component). linear speed is usually measured in metres per second (m.s-1), kilometres per hour (km.h-1) or miles per hour (mph), and angular speed in degrees per second (°.s-1) or radians per second (rad.s-1) See also velocity.

speed,

n the relative rapidity of action; rate of motion.
speed, film,
speed, high,
n a relatively great rapidity of motion. In cavity preparations, rotary instruments are classified according to the number of revolutions per minute (rpm) made by the cutting tool. Designation of each speed range presently varies. In general, conventional speed is 10,000 to 60,000 rpm, high speed is 60,000 to 100,000 rpm, and ultrahigh speed is more than 100,000 rpm. May also be used to describe an evacuation system.
speed of light,
n a speed of 186,300 miles/sec.
speed of radiation,
References in periodicals archive ?
To prove that a car can be fast and environmentally friendly, Brent had to figure out how to maximize the speed of an electric car so that he could leave the gas-guzzling competition in the dust.
Residents had expressed concerns that the increase in speed limits would be unsafe for pedestrians, but city officials explained that higher speed limits don't necessarily mean faster drivers.
Existing data indicated that, for a normally seated healthy adult occupant with adequate head support, a change in speed of 5 mph or less does not expose the person to any significant risk of injury.
On the opposite end of the continuum, the heavier the resistance used, the greater the total number of MUs that have to be recruited -- which can only result in a slower speed of movement.
Today, the mill has reached speeds close to 5500 ft/min, and efficiency for the first half of 2001 was more than 89%.
5 Gigabit per second transceiver implementation is the latest power and speed bump for Cadence's Serial-Deserializer communications interface series, positioning it as the continuing standard for data throughput in WAN, LAN, SAN, and high-speed, chip-to-chip communications for the next several years.
For the past year, modern makers have been promising to take the creep out of the Internet with their proposed higher speed 56 Kbps models.
With the mixer or the roll mill rotors operating individually one can change the friction ratio, the rotor offset, the direction of rotation, the acceleration, speed and deceleration, and one can start and stop under full load for an indefinite time period.
The ultimate danger at high speeds is that a sudden process upset is potentially more damaging.
An opposing view suggests the use of heavier weights, but with a smoother and controlled speed of movement.
Transferring data at speeds of 2Gbps ensures that the transaction occurs quickly and reduces the possibility of interruption during data transfer.