What does 放射 mean?
放射 is a Japanese noun meaning “radiation, emission” in English. It is written as 放射 in kanji, ほうしゃ in hiragana, and housha in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
ドップラー効果はまた、一般に光と放射エネルギーにおいても見られる。
The Doppler effect is also observed with light and with radiant energy in general.