dipolara. 偶極的、兩極的學術名詞偶極：通訊工程、電機工程、資訊雙極：資訊、通訊工程、植物學兩極：電機工程雙極的：動物學偶極[的]：電力工程兩極[的]：電力工程偶極的：礦物學英文釋義having equal and opposite electric charges or magnetic poles having opposite signs and separated by a small distance