ambipolar

[ am-bi-poh-ler ]

adjective

1. working in two directions simultaneously.
2. Physics, Chemistry. pertaining to both positive and negative ions; applied to both positive and negative ions at the same rate.

ambipolar

/ ˌæmbɪˈpəʊlə /

adjective

1. electronics (of plasmas and semiconductors) involving both positive and negative charge carriers