A1 noun Neutral #2,731 más común

放射

hōsha /hoːɕa/

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.

Ejemplos

3 de 5
1

太陽は光と熱を放射しています。

The sun is emitting light and heat.

2

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.

3

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.

Familia de palabras

Sustantivo
放射
Verb
放射する
Adverbio
放射状に
Adjetivo
放射状の
Relacionado
放射能
💡

Truco para recordar

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。

¡Correcto!

La respuesta correcta es: 放射

Ejemplos

1

太陽は光と熱を放射しています。

everyday

The sun is emitting light and heat.

2

この物質は一定の割合でエネルギーを放射する。

formal

This substance emits energy at a constant rate.

3

光が放射状に広がって、すごくきれいだよ。

informal

The light is spreading out in a radial pattern; it's really beautiful.

4

熱放射の基本原理について説明しなさい。

academic

Explain the basic principles of thermal radiation.

5

放射線量の測定結果を報告書にまとめました。

business

I have compiled the radiation dose measurement results into a report.

Familia de palabras

Sustantivo
放射
Verb
放射する
Adverbio
放射状に
Adjetivo
放射状の
Relacionado
放射能

Colocaciones comunes

放射線 radiation (rays)
放射状に広がる to spread out radially
放射性物質 radioactive substance
熱放射 thermal radiation
放射冷却 radiative cooling

Frases Comunes

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

Se confunde a menudo con

放射 vs 放射能

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.

⚠️

Errores comunes

Many learners confuse '放射' (emission) with '照射' (irradiation/shining light onto something). Remember 'hou' is to release out.

💡

Truco para recordar

Visualize the kanji: 放 (release) + 射 (shoot/arrow). It is like 'releasing arrows' of light in every direction.

📖

Origen de la palabra

From Middle Chinese, combining '放' (to let go/release) and '射' (to shoot/archery).

Patrones gramaticales

Noun + する (to emit/radiate) Noun + 状 (radial shape)
🌍

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。

¡Correcto!

La respuesta correcta es: 放射

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