I. ˈ ̷ ̷| ̷ ̷ adjective
Etymology: step up
: that increases, augments, or advances: as
a. of a transformer : that increases voltage
b. of a lease : that provides for increases in rent up to a maximum
II. ˈ ̷ ̷ˌ ̷ ̷ noun
( -s )
: an increase or advance in size or amount
a step-up in production