Translation guide
In Japanese, 'ultraviolet rays' is most commonly expressed as 紫外線 (shigaisen). This is the standard scientific and everyday term. There are also more specific terms like UV-A and UV-B, which are used in technical contexts.
ultraviolet rays
Referring to ultraviolet light from the sun or artificial sources, in everyday or scientific contexts.
The standard term for ultraviolet rays. Used in weather forecasts, health contexts, and general conversation.
The UV rays are strong today, so please apply sunscreen.
Ultraviolet rays have a harmful effect on the skin.
Abbreviation commonly used in product names, advertisements, and casual contexts. Often combined with katakana words.
These sunglasses have a UV-blocking feature.
Distinguishing between different wavelength bands of ultraviolet radiation, often in scientific or health-related discussions.
UV-A radiation. Often mentioned in skincare contexts as it penetrates deep into the skin.
UV-A rays reach deep into the skin.
UV-B radiation. Causes sunburn and is a major factor in skin cancer risk.
Abbreviated form, common in product labels and casual speech.
Abbreviated form for UV-B.
UV-B is especially strong in summer.
UV-B rays cause sunburn.
This sunscreen blocks both UV-A and UV-B.