speed ‧ up BrE AmE , ˈspeed-up /ˈspiːdʌp/ noun [countable usually singular]
an increase in the speed of something or in the rate at which a process happens
speedup in
a speedup in population growth
speed ‧ up BrE AmE , ˈspeed-up /ˈspiːdʌp/ noun [countable usually singular]
an increase in the speed of something or in the rate at which a process happens
speedup in
a speedup in population growth
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012