Pronunciation: (si-lek-tiv'i-tē, sē"lek-), [key]
1. the state or quality of being selective.
2. Elect.the property of a circuit, instrument, or the like, by virtue of which it can distinguish oscillations of a particular frequency.
3. Radio.the ability of a receiving set to receive any one of a band of frequencies or waves to the exclusion of others.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.