WORD DETAIL
放射線
ほうしゃせん
Examples
Included kanji
Study notes
1. Origins, structure, and basic meaning
- Structure:
放射線is read asほうしゃせんand is a noun for radiation emitted from a source. - Basic usage: Equipment for measuring radiation appears in
放射線を測る装置, while receiving an explanation before an examination appears in放射線について説明を受ける.
2. Common pitfalls and similar expressions
- Measured object and topic
- Use
をwhen radiation is measured andについてwhen it is the subject of an explanation.
- Use
- Difference from
光線- Distinguish it from the term for rays of light;
放射線is used for radiation discussed in medical examinations or research.
- Distinguish it from the term for rays of light;