up ‧ skill ‧ ing /ˈʌpˌskɪlɪŋ/ BrE AmE noun [uncountable]
improving the skills of workers, usually through training, so that they will be better at their jobs
up ‧ skill ‧ ing /ˈʌpˌskɪlɪŋ/ BrE AmE noun [uncountable]
improving the skills of workers, usually through training, so that they will be better at their jobs
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012