Last Updated
：2025/12/07
内核
Hiragana
ないかく
Noun
Japanese Meaning
地球などの天体の最も内側にある固体部分を指す。特に地球の中心部にある、主に鉄とニッケルから成る高温高圧の固体層。 / 物事・組織・システムなどの中心となる重要な部分、または核となる構成要素。
Easy Japanese Meaning
ちきゅうのまんなかにある、とてもあつくてかたいぶぶん
Sense（1）
(geology) inner core
（ canonical ）
（ romanization ）
（ kyūjitai ）
（ hiragana ）
Quizzes for review
See correct answer
内核
See correct answer
The inner core of the Earth is mainly composed of iron and nickel.
The inner core of the Earth is mainly composed of iron and nickel.
See correct answer
地球の内核は主に鉄とニッケルで構成されています。
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