/keuhm par"euh teuhr, kom"peuh ray'-/ , n.
1. any of various instruments for making comparisons, as of lengths or distances, tints of colors, etc.
2. Electronics. a circuit for comparing two signals, as readings of duplicate information stored in a digital computer, and for giving an indication of agreement or disagreement between them.
[ 1880-85; comparator a comparer. See COMPARE, -TOR ]