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rapidity in moving, going, traveling, proceeding, or performing; swiftness; celerity: the speed of light; the speed of sound.
relative rapidity in moving, going, etc.; rate of motion or progress: full speed ahead.
full, maximum, or optimum rate of motion: The car gets to speed in just nine seconds.
Automotive. a transmission gear ratio.
Slang. a stimulating drug, as caffeine, ephedrine, or especially methamphetamine or amphetamine.
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Source: Dictionary.com



Definition[edit]. The Italian physicist Galileo Galilei is credited with being the first to measure speed by considering the distance ...

Speed | Definition of Speed by Merriam-Webster


Define speed: the rate at which someone or something moves or travels—usage, synonyms, more.

speed - Dictionary Definition : Vocabulary.com


Speed most often describes acceleration or a high rate of motion. When something picks up too much speed, it can run off course, like a kid on a bike zooming ...

Speed - definition of speed by The Free Dictionary


Physics The rate or a measure of the rate of motion, especially: a. Distance traveled divided by the time of travel. b. The limit of this quotient as the time of travel ...

Speed dictionary definition | speed defined - YourDictionary


A sign shows this cars speed. Licensed from iStockPhoto. noun. Speed is a way of measuring how quickly something is moving or being done, or something ...

speed Definition in the Cambridge English Dictionary


speed definition, meaning, what is speed: how fast something moves: . Learn more.

speed - definition of speed in English from the Oxford dictionary


Definition of speed in English: noun. 1 [ mass noun ] The rate at which someone or something moves or operates or is able to move or operate: we turned on to ...

Speed Fitness - Topend Sports


Speed Fitness Component. What is Speed? Sports Definition: Speed is the ability to move quickly across the ground or move limbs rapidly to grab or throw.

Speed Definition - Glossary of Physics Terms - About.com


Definition: Distance travelled per unit time. Speed is the scalar quantity that is the magnitude of the velocity vector. The most common way to calculate the ...

speed | Define speed at Dictionary.com
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Popular Q&A
Q: What is the definition of speed.
A: Affirmative action, which took effect March 6, 1961, provides advantages for people of a minority group who are seen to have traditionally been discriminated ag... Read More »
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Q: What is the definition of speed?
A: Distance travelled by a particle, object or by any body in unit time is known as speed Speed = Distance / Time S.I unit of speed is meter/second (meter per seco... Read More »
Source: wiki.answers.com
Q: What is the definition of speed?
A: speed |spēd|. noun. 1 rapidity of movement or action : the accident was due to excessive speed | figurative they were bemused by the speed of events. • the rate... Read More »
Source: answers.yahoo.com
Q: What is the definition speed?
A: The English word 'speed' has lots of senses: 1: move faster; 2: cause to move faster; 3: distance travelled per unit time; 4: move fast; 5: the ratio of the foc... Read More »
Source: wiki.answers.com
Q: What is the deffinition of speed?
A: Speed:1:move fast; 2:distance travelled per unit time; 3:move very fast; 4:move fast... Read More »
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