空载 kōng zài

DEFINITIONS

  1. (of a ship, train etc) not carrying any load (i.e. no passengers or freight etc)
  2. (electricity) no-load (used to describe the condition of a transformer when there is no load connected to its secondary coil)

CHARACTERS

空 kōng empty, hollow, bare, deserted
载 zài load; carry; transport, convey