### speed

1. distance travelled per unit time
2. a rate (usually rapid) at which something happens
3. changing location rapidly
4. the ratio of the focal length to the diameter of a (camera) lens system
5. a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

### speed

(Learning Modules / Mathematics / Gravity) Distance moved divided by time taken.

### Speed

Speed is slang for the drug amphetamine sulphate.
Found on http://www.probertencyclopaedia.com/browse/ZSD.HTM

### Speed

Paleontologists can deduce approximate dinosaur speeds by using fossilized trackway and the dinosaur's skeletal structure. In 1976, the British zoologist R. McNeill Alexander used elephants, birds, people, and many other living animals to formulate an equation relating an animal's speed, leg length, and its stride length. Solving for speed, the equ...
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

### Speed

Related:prepayment speed
Found on http://www.encyclo.co.uk/local/20047

### Speed

Sensitivity of a photographic emulsion to light. Films are given ISO numbers which denotes its speed. The term is also used to denote the maximum aperture of a lens. (see Fast film,Fast lens ,Film speed, Slow film, Slow lens & ISO )
Found on http://www.peterashbyhayter.co.uk/glossaryT-Z.html

### speed

[n] - distance travelled per unit time 2. [n] - a rate (usually rapid) at which something happens 3. [n] - changing location rapidly 4. [v] - travel at an excessive or illegal velocity
Found on http://www.webdictionary.co.uk/definition.php?query=speed

### Speed

Amphetamines (slang).
Found on http://thewellnessshop.co.uk/healthandwellbeing/glossary.html

### Speed

Speed is the rate at which distance is covered. The SI unit of speed is the metre per second. Other units include feet per second, kilometres per hour and miles per hour.
Found on http://www.users.zetnet.co.uk/computing/MainPage/SecDepts/Physics/Resources

### speed

Speed is the rate of change in distance. In other words, how quickly something moves through a given distance. It is normally measured in m/s and its formula is speed = distance Ã· time. See also velocity*.
Found on http://www.gcse.com/glos.htm

### Speed

The rate at which a body moves through space. Airspeed is measured on the ASI (Air Speed Indicator) and differs both from the true airspeed and the groundspeed. The true airspeed is the indicated airspeed corrected for variations caused by changes in temperature and pressure. The groundspeed is the true airspeed from which the component caused by t...
Found on http://www.aeroplanemonthly.com/glossary/

### Speed

Speed: Common street name for a stimulant drug, especially for an amphetamine. Amphetamines have been used to treat hyperactivity in children, the symptoms of narcolepsy, and as an appetite suppressant and they are also frequently abused as a stimulant of the central nervous system.
Found on http://www.medterms.com/script/main/art.asp?articlekey=13198

### Speed

A measure of the sensitivity to light of a photographic emulsion.
Found on http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

### Speed

Speed noun [ Anglo-Saxon sp...d success, swiftness, from sp...wan to succeed; akin to Dutch spoed d, Old High German spuot success, spuot to succees, Sanskrit sphā to increase, grow fat. √170 b. ] 1. Prosperity in an undertaking; f...
Found on http://www.encyclo.co.uk/webster/S/159

### Speed

Speed (spēd) intransitive verb [ imperfect & past participle Sped (spĕd), Speeded ; present participle & verbal noun Speeding .] [ Anglo-Saxon spēdan , from spēd , noun ; akin to Dutch ...
Found on http://www.encyclo.co.uk/webster/S/159

### Speed

Speed transitive verb 1. To cause to be successful, or to prosper; hence, to aid; to favor. 'Fortune speed us!' Shak. « With rising gales that speed their happy flight.» Dryden. 2. To cause to make haste; to dispatch with celerity; to drive a...
Found on http://www.encyclo.co.uk/webster/S/159

### speed

1. To go; to fare. 'To warn him now he is too farre sped.' (Remedy of Love) ... 2. To experience in going; to have any condition, good or ill; to fare. 'Ships heretofore in seas lke fishes sped; The mightiest still upon the smallest fed.' (Waller) ... 3. To fare well; to have success; to prosper. 'Save London, and send true lawyers their meed! For ...
Found on http://www.encyclo.co.uk/local/20973

### speed

swiftness noun a rate (usually rapid) at which something happens; `the project advanced with gratifying speed`
Found on https://www.encyclo.co.uk/local/20974

### Speed

• (n.) Prosperity in an undertaking; favorable issue; success. • (n.) To go; to fare. • (v. t.) To hasten to a conclusion; to expedite. • (n.) To experience in going; to have any condition, good or ill; to fare. • (n.) To fare well; to have success; to prosper. • (v. t.) To wish success or god fortune to, in any undert...
Found on http://thinkexist.com/dictionary/meaning/speed/

### speed

(from the article `navigation`) ...units of a day`s sail. Later, distances were deduced from estimates of the ship`s speed and the lengths of time over which these speeds were ... ...In the mid-18th century the French hydraulic engineer Henri Pitot, studying the flow of water in rivers and canals, invented a device—now called ... ...
Found on http://www.britannica.com/eb/a-z/s/138

### speed

in photography, any of those standards that indicate (1) the size of the lens opening, or aperture, (2) the duration of exposure, and (3) the ...
Found on http://www.britannica.com/eb/a-z/s/138

### Speed

Related: Prepayment speed
Found on http://www.duke.edu/~charvey/Classes/wpg/bfgloss.htm

### Speed

[Nascar Café] As you have seen, a boy standing at the front raising his hand was shot in the head by a German law enforcer beside him, two minutes after the photograph has been taken. Photographed by Gen.Jürgen Stroop ...
Found on http://en.wikipedia.org/wiki/Speed_(Nascar_Café)

### Speed

The USS Speed was an American Auk Class minesweeper of 890 tons displacement launched in 1942. The USS Speed was powered by diesel engines providing a top speed of 18 knots and carried a complement of 105. She was armed with one 3 inch dual-purpose gun and two 40 mm anti-aircraft guns.
Found on http://www.probertencyclopaedia.com/browse/RSA.HTM

### Speed

A measure of the sensitivity to light of a photographic emulsion
Found on http://www.encyclo.co.uk/local/21048
No exact match found