Webster’s Revised Unabridged Dictionary · 1913
Step-down
Step′-down′, a. (Elec.) Transforming or converting a current of high potential or pressure into one of low pressure; as, a step-down transformer.
Webster’s Revised Unabridged Dictionary · 1913
Step′-down′, a. (Elec.) Transforming or converting a current of high potential or pressure into one of low pressure; as, a step-down transformer.