Skip to content

nucleus, kernel

JLPT N1 10 strokes
On'yomi
カク
Radical
· tree (tree, wood)

核 means "nucleus, kernel". It is a JLPT N1 kanji written in 10 strokes. Its on'yomi (Sino-Japanese) reading is カク. It is taught beyond elementary school (junior high and up).

核 in example sentences

  • かくへいきじんるいにとってきょういだ。

    Kakuheiki wa jinrui ni totte kyoui da.

    Nuclear weapons are a threat to humanity.

  • かくへいきぜんじんるいへのきょういである。

    Kakuheiki wa zen jinrui e no kyoui de aru.

    Nuclear weapons are a threat to all humanity.

  • かれらはかくせんそうしんぱいをしている。

    Karera wa kakusensou no shinpai o shite iru.

    They are afraid that nuclear war will break out.

Example sentences from the Tatoeba Project, licensed CC-BY 2.0 FR.

Stroke order & writing

Want more? Practice writing from memory. Stroke-order and animation sources are on our credits page.

Words that use 核

More (tree) kanji

Common questions

What does the kanji 核 mean?
核 means "nucleus, kernel". It is a JLPT N1 kanji.
How many strokes does 核 have?
核 is written in 10 strokes.
How is 核 read?
Its on'yomi (Sino-Japanese) reading is カク.
What JLPT level is 核?
核 is a JLPT N1 kanji.