Pronunciation: (si-lek-tiv'i-tē, sē"lek-),[key] —n. 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.