noun🔗ShareOne who sets the pace in a race, to guide the others."The student who always finishes first in the school's running club is the pacemaker for the team. "sportraceChat with AIVocabulary GamePractice Reading
noun🔗ShareA set of nerves which stimulate the heart to beat."The doctor implanted a pacemaker to regulate the patient's heart's rhythm. "medicineorgananatomydevicephysiologybiologyChat with AIVocabulary GamePractice Reading
noun🔗Share(hence) A medical implement that is used to stimulate a heart to beat by simulating the action of the natural pacemaker."My grandfather's heart was beating too slowly, so the doctor implanted a pacemaker to help it beat at a normal rate. "medicinedeviceorganphysiologybodytechnologyChat with AIVocabulary GamePractice Reading
