activator

TA-65, the new study claims, is a “telomerase activator”—that is, it turns on telomerase in cells.

The Black Doctor closed his eyes wearily and flipped an activator switch.

I call him Homo Causacadere, the fall causer, whose activator is hostility.

Finally, he poked the activator bar, and watched as the machine spat out tape.

They may have been, and the use of the activator may have been extorted from one of them.

Skordran Kirv used a door-activator to slide open a hidden door.