Jisho

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きょくせい 極性
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Noun, Noun which may take the genitive case particle 'no'
1. polarity​
Wikipedia definition
2. Polarity (physics)​In physics, polarity is a description of an attribute, typically a binary attribute (one with two values), or a vector (a direction). For example: An electric charge has a polarity of either positive or negative. A battery contains polarity, with the two + and - terminals. Similar to electric charge, the energy flows from the positive terminal, through the battery, to the negative terminal, and exits the dry cell.
Read “Polarity (physics)” on English Wikipedia
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Read “Polarity (physics)” on DBpedia

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