Definition of scale-up in English:

scale-up

noun

mass noun
  • 1The action of increasing in size or number; expansion.

    ‘the massive scale-up of mosquito control measures has helped to dramatically reduce the global disease burden’
    1. 1.1count noun A business that is in the process of expanding.
      ‘we need to ensure that UK tech start-ups and scale-ups can access the global talent pool’