activator

Pronunciation:  US ['æktəˌveɪtə] UK ['æktɪveɪtə]
  • n. Activator; Catalyst
  • WebActivator; Active agent; Activation device
cut cut out deactivate kill shut off turn off
actuate crank (up) drive move run set off spark start touch off trigger turn on
n.
1.
Active agent; catalyst