| 单词 | polarity |
| 释义 | polarity /poh lar"i tee, peuh-/, n. 1. Physics. a. the property or characteristic that produces unequal physical effects at different points in a body or system, as a magnet or storage battery. b. the positive or negative state in which a body reacts to a magnetic, electric, or other field. 2. the presence or manifestation of two opposite or contrasting principles or tendencies. 3. Ling. a. (of words, phrases, or sentences) positive or negative character. b. polar opposition. [1640-50; POLAR + -ITY] |
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