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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 ?
But it's not just super speeders who open it up on that segment of highway.
Multnomah County sheriff's Deputy Robbyn Matsushima said she was clocking speeders along Interstate 84 east of Troutdale on Thursday morning when she saw a black sedan headed her way.
Speeding can generally be attributed to simple human nature, Takallou said: Speeders have developed bad habits, and it will take a concerted effort to change them.
The team, comprised of four motorcycle officers and two officers who target commercial vehicles, has been patrolling the Antelope Valley Freeway since Monday, focusing their attention on speeders and reckless drivers, officials said.
The post Around 200 speeders and 27 drunk drivers a day booked in the past month appeared first on Cyprus Mail .
John O'Roarke of LV= said: "They're far more effective at deterring speeders.
Forget about those flying past you, my mum used to say "it's their licence at risk, not yours" Dion Jones Speeders are unpleasant creatures ~ endangering other innocent road users with their selfish mentality.
The cars of speeders are impounded for a month and the driver is fined Dhs2,000 and receives 12 black points.
Fellow volunteer, Sharon Airey, added: "I feel like Speedwatch does make a difference, since our presence on the road draws the attention of speeders and nonspeeders alike.
In the award-winning news story, NBC 5 investigative journalist Scott Friedman and researcher Shane Allen followed a trail of police records to see what happened to speeders who were caught travelling in excess of 100 miles per hour in several North Texas cities.
Plenty of rail travellers are seriously hard-up, if not in serious debt, which speeders in gas-guzzlers clearly aren't; they also have greener credentials.