English–Japanese

“radioactivity” in Japanese

Japanese

Pronunciation

Romajihōshanō

Example

放射能が基準値を超えています。hō sha nō ga ki jun chi o ko e te i ma su

The radioactivity is above the limit.

Illustration for 放射能 (radioactivity)

How to say “radioactivity” in Japanese

“Radioactivity” in Japanese is 放射能 (hōshanō).

Refers to the ability of a substance with unstable atoms to give off radiation as its atoms change.

Full entry for 放射能: usage tips, similar words and word origin

Example sentences with 放射能

雨の後、川の水から放射能が検出されました。ame no ato kawa no mizu ka ra hō sha nō ga ken shutsu sa re ma shi ta

Radioactivity was detected in the river water after the rain.

Tips for using 放射能

  • In Japanese science writing, 放射能 (hōshanō) names the ability to emit radiation, whereas 放射線 (hōshasen) names the radiation itself.

“radioactivity” in other languages