/pə'lrətɪ; pə`lærətɪ/ n
1 [U, C] (in a magnet) possession or location of negative and positive poles （磁体的）极性
*the polarity of a magnet 磁体的极性
* reversed polarity/polarities 反转极性.
2 [U] ~(between A and B) (fig 比喻) difference or separation(between people or things) in condition, views, etc （人或物之间条件、看法等的）分歧, 对立
*the growing polarity between the left and right wings of the party 党内左右翼间日益增大的分歧.

npluralpolarities [U and C]

formal a state in which people, opinions, or ideas are completely different or opposite to each other
polarity between
　the polarity between the intellect and the emotions
technical the state of having either a positive or negative electric charge