JMdict: 1774350

湯垢 【ゆあか】

  1. [n] scale (i.e. hard water coating in a kettle, etc.); fur
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
湯 Hot Water, Bath, Hot Spring トウ ゆ 3
垢 Dirt, Grime, Earwax コウ, ク あか, はじ