/lin'ee ar"i tee/ , n. , pl. linearities .
1. the property, quality, or state of being linear.
2. Television. the accuracy with which the shapes in a televised image are reproduced on the screen of a receiving set.
3. Electronics. the measure of the extent to which a certain response is directly proportional to the applied excitation.
[ 1740-50; LINEAR + -ITY ]