What does the word transformer mean?

Usage examples for transformer

  1. We connect the transmitter through a transformer. – Letters of a Radio-Engineer to His Son by John Mills
  2. Its thin wires can be carried cheaply over vast areas, and at each local point of consumption the transformer of size exactly proportioned to its local task takes the high- voltage transmission current and lowers its potential at a ratio of 20 or 40 to 1, for use in distribution and consumption circuits. – Edison, His Life and Inventions by Frank Lewis Dyer and Thomas Commerford Martin
  3. I use a tungsten spiral in a nitrogen atmosphere in my transformer and replace the quartz bulb with a capsule of zircorundum." – The Man Who Rocked the Earth by Arthur Train Robert Williams Wood