Japanese symbol for “radioactivity”
放射能
ほうしゃのう
Romaji: houshanou
radioactivity
In Japanese, radioactivity is 放射能, read ほうしゃのう (houshanou).
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 radioactivity
- n radiation
- n radioactive material
Kanji and stroke order
Related words
Words that share a kanji.
| Word | Reading | Meaning |
|---|---|---|
| 放送 | ほうそう housou | broadcasting; broadcast; program |
| 解放 | かいほう kaihou | release; unleashing; liberation |
| 開放 | かいほう kaihou | opening (a door, window, etc.); leaving open |
| 放題 | ほうだい houdai | (doing) as one pleases; to one's heart's content; letting (something) go unchecked |
| 放棄 | ほうき houki | abandonment; renouncement; renunciation |
| 追放 | ついほう tsuihou | exile; banishment; eviction |
| 注射 | ちゅうしゃ chuusha | injection; jab; shot |
| 反射 | はんしゃ hansha | reflection; reverberation |
| 可能 | かのう kanou | possible; potential; practicable |
See also: Chinese symbol for “radioactivity”.
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.