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Activator Meaning in English

word

ˈæktəˌveɪtɝ
AK-tuh-vay-ter
ˈæktɪvˌeɪtɐ
AK-tiv-ay-tuh

Definition

An activator is a substance or device that starts a process, increases activity, or helps something work, especially in science, technology, or biology.

Usage & Nuances

Used mainly in scientific, technical, or medical contexts. Common in chemistry (activates reactions), biology (turns on genes or enzymes), cosmetics (in hair colors), and engineering. Rarely used in everyday conversation.

Example Sentences

An enzyme can act as an activator in your body.

basic

This chemical is used as an activator in reactions.

basic

The hair dye needs an activator to work.

basic

Without the activator, the process just won’t start.

natural

We had to add more activator to get a better result.

natural

Some cleaning products come with a built-in activator for tougher stains.

natural