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.
예시
3 / 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.
어휘 가족
암기 팁
Visualize the kanji: 放 (release) + 射 (shoot/arrow). It is like 'releasing arrows' of light in every direction.
빠른 퀴즈
太陽は強いエネルギーを____している。
정답!
정답은: 放射
예시
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.
어휘 가족
자주 쓰는 조합
자주 쓰는 구문
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
자주 혼동되는 단어
Housha is the act of emitting energy/rays; houshanou is the ability or property of a substance to emit radiation.
사용 참고사항
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.
자주 하는 실수
Many learners confuse '放射' (emission) with '照射' (irradiation/shining light onto something). Remember 'hou' is to release out.
암기 팁
Visualize the kanji: 放 (release) + 射 (shoot/arrow). It is like 'releasing arrows' of light in every direction.
어원
From Middle Chinese, combining '放' (to let go/release) and '射' (to shoot/archery).
문법 패턴
문화적 맥락
In modern Japan, this word is often associated with discussions about nuclear energy and safety protocols since 2011.
빠른 퀴즈
太陽は強いエネルギーを____している。
정답!
정답은: 放射
관련 어휘
관련 단어
協力
A1Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.
提案
A1A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.
輸出
A1The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.
輸入
A1The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.
資源
A1Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.
保護
A1The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.
観察
A1Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.
競争
A1Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.
拡大
A1The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).
製造
A1The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.
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