General English


  • verb to start a process or to make something start working



  • verb to start a process or to make a device start working
  • verb to make a button or menu option or field on a screen layout available to a user


  • To start a sequence or process. For example, to enter a computer command to initiate a sequence.
  • To make operational. For example, the adding of liquid to a battery or cell to make it operational.
  • To treat a substance or material to make it more effective for a designated purpose. For example, the treatment of a cathode to improve its thermionic emission.
  • To induce an action. For example, inducing radioactivity in a non-radioactive element by bombarding it with neutrons.
  • To accelerate an action. For example, the use of a catalyst to bond a resin more quickly.

Information & Library Science

  • verb to cause something to start working


  • verb to make a device operate