radar.

A method or system using radio waves to detect objects and determine properties such as distance or motion.

Use it for

Words that belong together

• radar contact
• radar sweep

On the page

The radar sweep showed a second vessel.

Interference obscured the radar contact.

Usage notes

Primary category: sci-fi. Forms: Usually uncountable; radars for distinct systems. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.