Japanese symbol for “radiation”
放射線
ほうしゃせん
Romaji: houshasen
radiation
In Japanese, radiation is 放射線, read ほうしゃせん (houshasen).
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 radiation
Kanji and stroke order
Other Japanese words for “radiation”
| Word | Reading | Meaning |
|---|---|---|
| 放射 | ほうしゃ housha | radiation; emission |
| 放出 | ほうしゅつ houshutsu | emission; release; radiation |
| 発散 | はっさん hassan | emission; emanation; radiation |
| 放射能 | ほうしゃのう houshanou | radiation |
| 照射 | しょうしゃ shousha | irradiation; radiation; beaming |
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 |
| 放射能 | ほうしゃのう houshanou | radioactivity |
| 新幹線 | しんかんせん shinkansen | Shinkansen; bullet train |
See also: Chinese symbol for “radiation”.
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.