noun
two dominant forces; two extremes; bipolarity
Used in political, social, or abstract contexts to describe a situation dominated by two opposing powers, poles, or extremes.
世界は二極構造から多極化へと移行しつつある。
The world is shifting from a bipolar structure toward multipolarity.
議論が二極に分かれてしまった。
The discussion split into two extremes.
noun
cathode and anode; two poles
Physics term referring to the two electrodes or poles of a device, such as a battery or vacuum tube.
真空管の二極はカソードとアノードである。
The two poles of a vacuum tube are the cathode and the anode.