核 Kanji – nucleus

The Japanese kanji 核 can mean nucleus, core, kernel.

Meaning and Readings

Meaning: nucleus, core, kernel
Onyomi: カク
Kunyomi: —
Romaji: kaku
JLPT: 1
Frequency Rank: 475

How is 核 read?

核 has the onyomi reading カク.

In romaji, these readings can be written as kaku.

Common Japanese Words Using 核

These common Japanese words contain 核. Select linked kanji to explore their meanings and readings.

  • 核(かく) — stone (of a fruit), pit, pip
  • 核家族(かくかぞく) — nuclear family
  • 核酸(かくさん) — nucleic acid
  • 核実験(かくじっけん) — nuclear (bomb) test
  • 核心(かくしん) — core, heart (of the matter), point, crux, kernel
  • 核弾頭(かくだんとう) — nuclear warhead
  • 核燃料(かくねんりょう) — nuclear fuel
  • 核武装(かくぶそう) — nuclear arms
  • 核分裂(かくぶんれつ) — nuclear fission
  • 核兵器(かくへいき) — nuclear weapon

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