放射性(ほうしゃせい)

ほうしゃせい
noun, no-adjective
radioactive; radioactivity
technical
1. radioactive; radioactivity
The property of emitting radiation; used attributively to mean 'radioactive'. From 放射(ほうしゃ) (radiation) plus the suffix 〜性(せい) (property, -ness).
放射性(ほうしゃせい)物質(ぶっしつ)が検出(けんしゅつ)された。
Radioactive material was detected.
放射性(ほうしゃせい)廃棄物(はいきぶつ)の処理(しょり)は難(むずか)しい。
Disposing of radioactive waste is difficult.
この元素(げんそ)は強(つよ)い放射性(ほうしゃせい)を持(も)っている。
This element has strong radioactivity.

放射(ほうしゃ) (radiation) plus 〜性(せい) (property, -ness). Used attributively before a noun, where it behaves like a no-adjective.

Common collocations

Domain

A physics and environmental-science term; common in news about nuclear power and accidents.

Related Words

Related: 放射能(ほうしゃのう) (radioactivity)
general
Added 2026.5.27 12:08 · Revised 2026.9.2 13:02
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