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The meaning of SPEED is rate of motion. How to use speed in a sentence. Synonym Discussion of Speed.
speed noun (RATE OF MOVEMENT) Add to word list. B1 [ C or U ] how fast something moves: He was travelling at a speed of 90 mph. The car has a top speed of 155 miles per hour. You should lower / reduce your speed as you approach a junction. On a clear, straight road you can gather / pick up speed.
Speed definition: rapidity in moving, going, traveling, proceeding, or performing; swiftness; celerity. See examples of SPEED used in a sentence.
Speed is measured as the ratio between the distance and time and the SI unit of speed is m/s. It is the change in the position of an object with respect to time. There are four types of speed: uniform speed, variable speed, average speed, and instantaneous speed.
Speed is the magnitude of velocity (a vector), which indicates additionally the direction of motion. Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second (m/s), but the most common unit of speed in everyday usage is the kilometre per hour (km/h) or, in the US and the UK, miles per hour (mph).
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 uncontrollably down a steep hill. Speed can be a noun or verb. As a noun, it's an indicator of pace, as in the speed of a car.
The speed of something is the rate at which it happens or is done. In the late 1850s the speed of technological change quickened. Each learner can proceed at his own speed.
SPEED meaning: 1 : the rate at which someone or something moves or travels; 2 : the rate at which something happens or is done
Speed is a very fast rate at which something happens or is done. I was amazed at his speed of working. Synonyms: swiftness , rush , hurry , expedition More Synonyms of speed
SPEED definition: 1. how fast something moves or happens: 2. very fast movement: 3. to move somewhere or happen…. Learn more.