noun🔗ShareA method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of sent radio waves (usually microwaves) reflected from their surfaces"The airplane's radar detected a storm cloud approaching the airport. "technologyelectronicsphysicssignalcommunicationdevicenauticalmilitaryscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareA type of system using such method, differentiated by platform, configuration, frequency, power, and other technical attributes."The school used a special radar system to track students' movement throughout the building. "technologyelectronicsphysicssignaldevicemachinemilitaryvehiclenauticalcommunicationsciencesystemChat with AIVocabulary GamePractice Reading
noun🔗ShareAn installation of such a system or of the transmitting and receiving apparatus."The airport's radar system detected the approaching plane. "technologyelectronicscommunicationsignalmachinedevicemilitarynauticalChat with AIVocabulary GamePractice Reading
noun🔗ShareA superior ability to detect something."His sensitive radar for hidden alliances keeps him out of trouble."abilitytechnologydevicesignalChat with AIVocabulary GamePractice Reading
verb🔗ShareTo scan with radar, or as if with radar."The security guard was radar scanning the parking lot for any suspicious vehicles. "technologyelectronicsmilitarynauticalcommunicationdevicemachinesignalChat with AIVocabulary GamePractice Reading