polarity
polarity
(pl. -ies)
(pl. -ies)
- [mass noun]the property of having poles or being polar
极性
it exhibits polarity when presented to a magnetic needle.
在磁针面前，它会表现出极性。
■the relative orientation of poles; the direction of a magnetic or electric field
相对极向；磁场方向，电场方向
the magnetic field peaks in strength immediately after switching polarity.
在转换相对极向后，磁场的磁力立刻达到了最高点。
■the state of having two opposite or contradictory tendencies, opinions, or aspects
（倾向，观点，方面）截然相反，截然对立
the polarity between male and female.
男性和女性的对立。
[count noun]the cold war's neat polarities can hardly be carried on.
冷战的纯粹截然对立状态难以持续。
■(Biology)the tendency of living organisms or parts to develop with distinct anterior and posterior (or uppermost and lowermost) ends, or to grow or orientate in a particular direction
(生)反向性，极性
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