JMdict: 1205590

核心 【かくしん】

  1. [n] core; heart (of the matter); point; crux; kernel
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
核 Nucleus, Core, Kernel カク
心 Heart, Mind, Spirit, Heart Radical (no. 61) シン こころ, -ごころ