bipolar

C1 · Advanced Academic

adj. describing a world or system where two countries have most of the power.

adj. relating to an international system in which two states or blocs possess the majority of economic, military, and cultural influence.

“During the Cold War, the world was bipolar, led by the US and the Soviet Union.”

“Political scientists often contrast the bipolar stability of the mid-twentieth century with the more unpredictable multipolar landscape of the modern era.”

C1 · Advanced Science Technical

adj. having two opposite ends or sides, like a magnet or the Earth's poles.

adj. having or involving two poles, extremes, or opposite points of concentration.

“The experiment used a bipolar electrode to measure the electrical current.”

“The researcher explained how the bipolar nature of the molecule allowed it to interact with both water and oil surfaces simultaneously.”

C1 · Advanced Uncountable noun Medicine Informal

n. a short way of saying bipolar disorder.

n. a common ellipsis for bipolar disorder in clinical and casual contexts.

“She has been living with bipolar for ten years and manages it well.”

“The documentary explores the daily challenges of those living with bipolar, focusing on the importance of a strong support network.”