ˈstep change BrE AmE noun [singular] British English
a big and important change in an organization or in society
step change in
The new law marks a step change in our programme for reforming public services.
ˈstep change BrE AmE noun [singular] British English
a big and important change in an organization or in society
step change in
The new law marks a step change in our programme for reforming public services.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012