Tricorder: meaning, definitions and examples

Typically used in science fiction, especially in the Star Trek universe, to describe a hand-held device that scans environments, diagnosing ailments, and detecting life forms.

• The doctor used a tricorder to diagnose the alien's illness.
• The away team pulled out their tricorders to scan the strange new planet.

A device that digitizes physical images or documents, or uses electromagnetic waves to detect objects, often used in medical or security settings.

• I used a scanner to digitize my old family photos.
• At the airport, your luggage goes through a scanner to ensure it's safe.

Refers to a device or tool that examines substances or data to provide detailed information; common in scientific and technical settings.

• The lab technician used the gas analyzer to measure the air quality.
• Our software includes an analyzer to help optimize the database.

A device that detects changes in physical conditions such as temperature, light, motion, or pressure and sends information to other electronic devices.

• The car's sensor detected an obstacle and automatically applied the brakes.
• Motion sensors turned on the lights when we entered the room.