step-down

(-do̵un′)

adjective

that steps down, or decreases; specif.,
  1. designating a transformer in which the output voltage is less than the input voltage
  2. designating a gear that reduces the speed

noun

a decrease, as in amount, intensity, etc.

See step-down in American Heritage Dictionary 4

adjective
  1. Decreasing in stages: a step-down gear.
  2. Electricity Serving to reduce voltage: a step-down transformer.
noun
A reduction in amount or size.

Learn more about step-down

link/cite print suggestion box