りゅうのう 竜脳 LinksSentence search for 竜脳Sentence search for りゅうのうSentence search for 龍脳Kanji details for 竜 and 脳Edit in JMdict Noun1. borneol (crystalline turpenoid alcohol)Other forms龍脳 【りゅうのう】 Discussions Log in to talk about this word.