1. 〔本質〕the essence;〔精髄〕the quintessence;〔核心〕the soul
    • 平和主義の真髄
    • the essence [quintessence] of pacifism
    • これこそ仏教の真髄だ
    • This is the heart of Buddhism.
    • 人知の真髄
    • the quintessence of human knowledge