Crossword-Solution: ACTIVATOR 9 letters, 15 clues 🏆 scrabble score: 14

Piling a handful of dry splinters under the firewood, he held the lighter to it, pressed the activator, and watched the fire eat into the wood.

Going behind the curtains, he would use his door-activator to let himself in, and return by paratime-conveyer to the First Level to enjoy a well-earned vacation.

Recent evidence of a chemical nature indicates that colour in a flower is due to the interaction of two definitive substances: (1) a colourless "chromogen," or colour basis; and (2) a ferment which behaves as an activator of the chromogen, and by inducing some process of oxidation, leads to the formation of a coloured substance.

Any substance which increases the catalytic activity of an enzyme is known as an "accelerator," or "activator"; while one which prevents this activity is called an "inhibitor," or "paralyzer." A type of accelerating influence quite different from that of electrolytes is found in the effect of certain amino-acids upon enzyme action.

When in this stage, the compound is known as "proenzyme," or "zymogen." In this stage, it is inactive, but can be made to exhibit its catalytic effect, usually by bringing it into contact with a suitable activator.