Japanese symbol for “fissile”

核分裂性

かくぶんれつせい

Romaji: kakubunretsusei

fissility

In Japanese, fissile is 核分裂性, read かくぶんれつせい (kakubunretsusei).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

n fissility
adj-no fissile; fissionable

Kanji and stroke order

核

nucleus, core, kernel

on: カク

10 strokes · JLPT 1

分

part, minute of time, segment

on: ブン、フン、ブ
kun: わ.ける、わ.け、わ.かれる、わ.かる

4 strokes · JLPT 4

裂

split, rend, tear

on: レツ
kun: さ.く、さ.ける、-ぎ.れ

12 strokes · JLPT 1

性

sex, gender, nature

on: セイ、ショウ
kun: さが

8 strokes · JLPT 2

Related words

Words that share a kanji.

Word	Reading	Meaning
核兵器	かくへいき kakuheiki	nuclear weapon
中核	ちゅうかく chuukaku	kernel; core; nucleus
核心	かくしん kakushin	core; heart (of the matter); point
結核	けっかく kekkaku	tuberculosis; TB
核弾頭	かくだんとう kakudantou	nuclear warhead
核酸	かくさん kakusan	nucleic acid
自分	じぶん jibun	myself; yourself; oneself
部分	ぶぶん bubun	portion; section; part
分裂	ぶんれつ bunretsu	split; division; break up
女性	じょせい josei	woman; female

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.