1.
beam, ray of light, light ray
A line or stream of light, especially one coming from a particular source.
紫外光線は肌に悪い。
Ultraviolet rays are bad for the skin.
太陽の光線が部屋に差し込んだ。
Rays of sunlight streamed into the room.
レーザー光線を使った手術が行われた。
Surgery using laser beams was performed.
光線 refers to rays or beams of light, often used in scientific or technical contexts.
COMMON TYPES:
- 太陽光線: sunlight, solar rays
- 紫外光線: ultraviolet rays (UV)
- 赤外光線: infrared rays
- レーザー光線: laser beam
- X線: X-rays
COMMON EXPRESSIONS:
- 光線を浴びる: to be exposed to rays
- 光線が差し込む: rays stream in
- 光線を遮る: to block rays
RELATED:
- 光: light (general term)
- 日光: sunlight
- 放射線: radiation