Doppler radar Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. use to help determine weather conditions; a radar tracking system that determines the velocity of a moving object; Example Sentence A Doppler radar produces a velocity measurement as one of its outputs. Synonyms doppler shift; Doppler effect; DOVAP Antonyms wind vane Hear It! Say It! Write It! Doppler radar Switch to cursive Start Share with your friends: