琺瑯質 ほうろうしつ Also written ほうろう質 Meanings Noun (tooth) enamel See also: エナメル質 (エナメルしつ). Kanji 琺 enamel. Read as ホウ. 瑯 precious stone. Read as ロウ. 質 quality. Read as シツ. Jinuma: Japanese Dictionary · Word lists