Having two different poles or differing in polarity, used in chemistry, physics, or geology.
From Greek 'hetero-' (different) + Latin 'polaris' (relating to poles). The term emerged in 19th-century science to describe asymmetrical charge or magnetic distribution.
Water is the ultimate heteropolar molecule—one end has a slight negative charge and the other slight positive, which is why it dissolves salt and makes life possible!
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