High blood cholesterol levels can cause hardening of the arteries at a younger age. For many people, high cholesterol levels are the result of an unhealthy lifestyle -- most commonly, eating a diet that is high in fat. Other risk factors are heavy alcohol use, lack of exercise, and being overweight.
Freebase(0.00 / 0 votes)Rate this definition: Comparator. In electronics, a comparator is a device that compares two voltages or currents and switches its output to indicate which is larger. They are commonly used in devices such as analog-to-digital converters.
comparator definition, comparator meaning | English dictionary. Search also in: Web News Encyclopedia Images. comparator. n. 1 any instrument used to measure a property of a system by comparing it with a standard system. 2 an electric circuit that compares two signals and gives an indication of the extent of their dissimilarity.