activator

Just like with color, fluorescence in minerals is often the product of impurities, called activators.

Before you add activator, have a plan for holding the pieces together if you’re dealing with separate pieces.

The color will change very little after the activator is added, Geronimo said.

Once you mix in the activator, you’ll have five to 15 minutes of working time.

The adhesive should be fully set in 15 to 40 minutes, depending on the temperature, how much activator you used and how much material you mixed.

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.