| Noun | 1. | checkup - a thorough physical examination; includes a variety of tests depending on the age and sex and health of the personexamination, scrutiny - the act of examining something closely (as for mistakes) ballistocardiogram - a graphical recording made by a ballistocardiograph cardiogram, ECG, EKG, electrocardiogram - a graphical recording of the cardiac cycle produced by an electrocardiograph |