1 Trisomy 13 is a rare condition caused by an extra copy of chromosome 13. 2  Babies with trisomy 13 have many abnormalities, involving nearly every organ system in the body, as well as developmental delay. 3  It is difficult to predict the life expectancy of a baby with trisomy 13.
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.