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1. Oxford Dictionary

   pyroelectric

   • IPA[ˌpʌɪrəʊɪˈlɛktrɪk]

   英式

   • adj.
     having or using the property of becoming electrically charged when heated
2. • 釋義

   adj.

   形容詞

   • 1. having or using the property of becoming electrically charged when heated a pyroelectric sensor