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.
1 rhetor - A teacher of rhetoric or a master of it. 2  climax - First described propositions in rhetoric, one rising above the other in effectiveness; it comes from Greek klimax, ladder..  demagoguery, demagogy - Demagoguery and demagogy are the practices or rhetoric of a demagogue.