(|)bī+ adjective
Etymology: bi- (I) + directional
: reactive or functioning in two usually opposite directions ; especially of a microphone : having two sensitive areas
(|)bī+ adjective
Etymology: bi- (I) + directional
: reactive or functioning in two usually opposite directions ; especially of a microphone : having two sensitive areas
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012