wearable
n. countablen. a small electronic device that you wear on your body, like a smartwatch or a fitness tracker. These gadgets usually track your health or show you notifications from your phone.
n. a portable electronic device designed to be worn on the user's body, typically incorporating sensors and wireless connectivity. Often used to monitor physiological data or provide hands-free access to digital information.
I use a wearable to track my daily steps.
The athlete used a wearable to monitor her heart rate and sleep patterns during the training season.
As battery life improves and sensors become more sophisticated, the market for medical-grade wearables is expanding beyond simple fitness tracking into real-time chronic disease management.
From wear + -able.
Commonly used in the plural to refer to the industry or category of devices.