WordGarden.ioactivator
A2Pronunciation
UK
- /ˈæktɪvˌeɪtə/
US
- /ˈæktəˌveɪtər/
Meanings
Noun
something that makes something active, operative, or effective
a substance, molecule, gene, or other agent that starts or increases a chemical or biological process
a tool, control, or software element that enables a feature, account, device, or interface action
More meaningsFewer meanings
a person, tactic, or thing that drives customer or user engagement into active use
Beyond the definition
An activator is usually a thing (not a person) that sets a process in motion or turns something on. Think of it like the key to an engine – without the key (the activator), the engine won't run. In chemistry, an activator can be a substance or additive that starts a reaction or makes it proceed faster (often by helping a catalyst do its job). But it can also be more abstract: a powerful speech might be an activator of social change, or an activation key can act as the activator that unlocks a piece of software. Essentially, an activator is the spark that gets things going.
The word "activator" refers to something that initiates a process, reaction, or state. It's the catalyst, the trigger, the element that makes something begin. The context determines exactly what is being activated.
In chemistry, an activator can be a substance added to start a reaction or speed up its early steps, sometimes by making a catalyst more effective. In biology, an activator might be a molecule that increases an enzyme's activity, or a protein that turns on a gene (a transcriptional activator). In these contexts, it is a precise scientific term.
However, "activator" isn't limited to science. It can be used broadly to describe anything that prompts action or change. A compelling story might be an activator for empathy, inspiring people to help others. A challenging experience could be an activator for personal growth, pushing someone to overcome obstacles.
In technology, you will often encounter "activation keys" – codes needed to unlock software or services. This key activates the program, allowing it to function fully. Even in everyday language, we might use "activator" to describe something that sparks a response, acting as the metaphorical switch that turns a situation on.
So, whether it's a chemical compound, a powerful idea, a technological code, or a sensory experience – an activator is the essential element that sets things in motion.
Examples
- 1
Hair dye
Mix the hair dye with the activator before you put it on.
- 2
Glue
The glue won’t set properly without the activator.
- 3
Voice control
In the app, a double tap works as the activator for voice control.
- Patternwork as the activator for + feature
start or turn on that feature
See also
Forms and spellings
1 form open this card.
Main spelling
- activatornoun