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speed |
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speed, n the relative rapidity of action; rate of motion. speed, film, n See film speed. 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, n See radiation, speed of. 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 How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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