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.
Definition of COMPARATOR. : a device for comparing something with a similar thing or with a standard measure.ADVERTISEMENT. preparator.edical Definition of COMPARATOR. 1. : an apparatus used for determining concentration of dissolved substances (as hydrogen ions) in solution by color comparison with known standards. 2.