activation
A2Pronunciation
UK
- /ˌæktɪvˈeɪʃən/
US
- /ˌæktəˈveɪʃən/
Description
- making active
- enabling
- triggering
Activation isn't just about pressing a button—though it often starts with that! It is the process of making something active or operative. Think of activating a superpower, like in comic books; suddenly, dormant abilities are unleashed. Or consider a security system: activation means it goes from being "off" to actively monitoring for threats.
Activation can be physical, like activating a muscle during exercise, or more abstract, like activating a memory with a familiar scent. A key nuance is that the object was previously inactive or dormant. You wouldn't say you are "activating" an engine that is already running; you only activate things that are currently off or paused. The word also has specific meanings in fields like biology (cell activation) and finance (activating an account).
Activation refers to the process of making something active, functional, or operative. It implies that the subject was previously inactive, dormant, or in a standby state. For example, "The scientist studied the activation of immune cells during infection" means they were observing how those cells became actively involved in fighting off the disease.
You'll often hear "activation" used when talking about starting something up—like activating a device ("Please activate your phone before using it") or initiating a process ("The new policy requires user activation"). It can also describe triggering a response, such as: "The smell of cookies activated his appetite."
In biology and chemistry, activation has a precise meaning: the process by which a cell or molecule becomes capable of performing its function. In finance, activating an account means completing the steps to make it usable. In marketing, "brand activation" refers to engaging customers with a brand through experiences or campaigns.
The concept extends beyond physical things, too. You can talk about "emotional activation"—becoming more aware and engaged with your feelings—or "cognitive activation"—stimulating mental processes.
So, whether you're starting a device, triggering a biological response, or engaging an audience, activation is all about bringing something from a state of inactivity to one of purposeful action.
Examples
- 1
Signup email
After you sign up, you'll get an activation email within a few minutes.
- 2
Device setup
Enter the activation code on the screen to finish setting up the device.
- 3
Mobile data
The new plan includes automatic activation of extra data when you travel abroad.
- 4
Fire alarm
Smoke in the kitchen caused the activation of the fire alarm.
- 5
Exercise
Regular warm-up exercises can improve muscle activation before a run.
- 6
Immune system
Researchers are studying how stress affects activation of the immune system.
Forms and spellings
2 forms open this card.
Main spelling
- activationnoun
Forms
- activationspluralnoun