From Longman Dictionary of Contemporary Englishspeedupspeed‧up, speed-up /ˈspiːdʌp/ noun [countable usually singular] an increase in the speed of something or in the rate at which a process happensspeedup in a speedup in population growth
Examples from the Corpus
speedup• Anyone who thinks about the speedup of change must sense that it has a lot to do with modern technology.• But Democrats say the speedup would undermine the work of a commission that is developing standards for a new statewide test.• The speedup in the rate of change, especially within the past two decades, is well known.speedup in• a speedup in the economy 