'Step-down' definitions:
Definition of 'step-down'
From: WordNet
noun
The act of decreasing or reducing something [syn: decrease, diminution, reduction, step-down] [ant: increase, step-up]
Definition of 'Step-down'
From: GCIDE
- Step-down \Step"-down`\, a. (Elec.) Transforming or converting a current of high potential or voltage into one of low voltage; as, a step-down transformer. [Webster 1913 Suppl.]