核: the kanji for nucleus; core
核 is a JLPT N1 kanji that means nucleus; core. Below are its readings, 3 common words and example sentences, all with audio.
Stroke order
核 is written in 10 strokes. The red stroke is the one to write next, and the dot shows where it starts.
Words by reading
核 has 1 reading in the official Jōyō Kanji Table. Below are 3 common words grouped by reading. Tap ▶ to hear each word (audio plays with a free account).
カク (kaku)
On reading.
| Word | Meaning |
|---|---|
| 核心かくしん · kakushin | core; heart (of a matter) |
| 核家族かくかぞく · kakukazoku | nuclear family |
| 結核けっかく · kekkaku | tuberculosis |
Example sentences for work and daily life
- 話が問題の核心に入った。Hanashi ga mondai no kakushin ni haitta.The discussion got to the heart of the problem.
- 日本では核家族が増えた。Nihon de wa kakukazoku ga fueta.Nuclear families have increased in Japan.
- 昔、結核は重い病気だった。Mukashi, kekkaku wa omoi byōki datta.Tuberculosis used to be a serious illness.
- 細胞の核を顕微鏡で観察した。Saibō no kaku o kenbikyō de kansatsu shita.We observed the cell nucleus under a microscope.
- 彼がチームの中核だ。Kare ga chīmu no chūkaku da.He is the core of the team.
Questions about 核
How many strokes does 核 have?
核 is written in 10 strokes. The stroke order is shown at the top of this page.
What are the readings of 核?
The on readings are kaku (カク). 核 has no kun reading in the Jōyō Kanji Table.
What JLPT level is 核?
N1. The JLPT does not publish official kanji lists, so this level is a guide based on the official Test Content Specifications used through 2009.
About the JLPT level
The JLPT does not publish official lists of kanji for each level. The level on this page is a guide based on the official Test Content Specifications used for the test through 2009. The JLPT states that the current N1 is designed to match the former Level 1.
More JLPT N1 kanji
Science, materials and colors
Executive Japanese by CCN is one-on-one online Japanese for managers and directors doing business in Japan.
Sources
- Jōyō Kanji Table (常用漢字表), Agency for Cultural Affairs, Government of Japan, 2010: readings and special readings of 核
- JLPT Frequently Asked Questions, The Japan Foundation and Japan Educational Exchanges and Services: how current levels match the former levels
- Stroke order diagrams are based on KanjiVG by Ulrich Apel, used under CC BY-SA 3.0. The diagrams on this page are shared under the same license.