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单词 polarity
释义

WordReference Random House Learner's Dictionary of American English © 2024
po•lar•i•ty /poʊˈlærɪti, pə-/USA pronunciation   n., pl. -ties. 
  1. [uncountable][Physics.]
    • Physicsthe property that produces unequal physical effects at different points in a body or system, as in a magnet.
  2. the presence of two opposite qualities or tendencies: [countable]a polarity of opinions.[uncountable]polarity between the rich and the poor.

WordReference Random House Unabridged Dictionary of American English © 2024
po•lar•i•ty  (pō lari tē, pə-),USA pronunciation n. 
  1. [Physics.]
    • Physicsthe property or characteristic that produces unequal physical effects at different points in a body or system, as a magnet or storage battery.
    • Physicsthe 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. Linguistics
    • (of words, phrases, or sentences) positive or negative character.
    • polar opposition.
  • polar + -ity 1640–50

Collins Concise English Dictionary © HarperCollins Publishers::
polarity /pəʊˈlærɪtɪ/ n ( pl -ties)
  1. the condition of having poles
  2. the condition of a body or system in which it has opposing physical properties at different points, esp magnetic poles or electric charge
  3. the particular state of a part of a body or system that has polarity: an electrode with positive polarity
  4. the state of having or expressing two directly opposite tendencies, opinions, etc
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