JMdict: 1467920

熱線 【ねっせん】

  1. [n] heated wire
  2. [n] infrared rays; heat rays
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
熱 Heat, Temperature, Fever, Mania, Passion ネツ あつ.い 4
線 Line, Track セン すじ 2