放射
The process of sending out light, heat, or energy in the form of waves or particles from a central source. It is most commonly used in scientific contexts to describe radiation or how light spreads out in all directions.
Exemplos
3 de 5太陽は光と熱を放射しています。
The sun is emitting light and heat.
この物質は一定の割合でエネルギーを放射する。
This substance emits energy at a constant rate.
光が放射状に広がって、すごくきれいだよ。
The light is spreading out in a radial pattern; it's really beautiful.
Família de palavras
Dica de memorização
Visualize the kanji: 放 (release) + 射 (shoot/arrow). It is like 'releasing arrows' of light in every direction.
Quiz rápido
太陽は強いエネルギーを____している。
Correto!
A resposta correta é: 放射
Exemplos
太陽は光と熱を放射しています。
everydayThe sun is emitting light and heat.
この物質は一定の割合でエネルギーを放射する。
formalThis substance emits energy at a constant rate.
光が放射状に広がって、すごくきれいだよ。
informalThe light is spreading out in a radial pattern; it's really beautiful.
熱放射の基本原理について説明しなさい。
academicExplain the basic principles of thermal radiation.
放射線量の測定結果を報告書にまとめました。
businessI have compiled the radiation dose measurement results into a report.
Família de palavras
Colocações comuns
Frases Comuns
放射状に広がる
to spread out in all directions from a center
放射線を浴びる
to be exposed to radiation
放射能汚染
radioactive contamination
Frequentemente confundido com
Housha is the act of emitting energy/rays; houshanou is the ability or property of a substance to emit radiation.
Notas de uso
While it sounds scientific, it is frequently used with the suffix '~状' (jou) to describe patterns that look like a starburst or spokes on a wheel.
Erros comuns
Many learners confuse '放射' (emission) with '照射' (irradiation/shining light onto something). Remember 'hou' is to release out.
Dica de memorização
Visualize the kanji: 放 (release) + 射 (shoot/arrow). It is like 'releasing arrows' of light in every direction.
Origem da palavra
From Middle Chinese, combining '放' (to let go/release) and '射' (to shoot/archery).
Padrões gramaticais
Contexto cultural
In modern Japan, this word is often associated with discussions about nuclear energy and safety protocols since 2011.
Quiz rápido
太陽は強いエネルギーを____している。
Correto!
A resposta correta é: 放射
Vocabulário relacionado
Palavras relacionadas
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