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From Longman Dictionary of Contemporary Englishvelocityve‧lo‧ci‧ty /vəˈlɒsəti $ -ˈlɑː-/ ●○○ noun (plural velocities)  1 [countable, uncountable] technical the speed of something that is moving in a particular direction the velocity of light The speedboat reached a velocity of 120 mph. a high velocity bullet2 [uncountable]FAST/QUICK a high speed Martinez had good velocity on his fastball.
Examples from the Corpus
velocityJupiter is a very massive planet, and its escape velocity is correspondingly high.a beam of high velocity electronsIn addition, there is no difference in velocity between movements which are long and those which are short.This latter emission is a well-known indicator of shock activity for shock velocities of up to several hundred kilometres a second.Figure 21.4 shows oscillograms of the velocity fluctuations at different distances from the centre line of a wake.an experiment to try to predict the velocity of a moving objectthe velocity of electronsMomentum is mass times velocity, so both factors influence the size of centripetal force.The pressure of the expanding gas gets converted to velocity.This instrument is used for measuring wind velocity.high velocityHe was in no hurry, and it was dangerous to move at a high velocity so near the ship.There were early experiments, some of them successful, in which objects moving at high velocity were arrested by the camera.Very high velocities have been observed in the movement of spray rising from impacts of this type.
From Longman Business Dictionaryvelocityve‧lo‧ci‧ty /vəˈlɒsətivəˈlɑː-/ noun [uncountable] ECONOMICS the number of times a particular unit of money is spent over a period of time. A country’s GDP is the total amount of money available and its velocityUnless there is a sharprise in velocity, a more inflationary monetary policy would be appropriate.
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