Translation guide
The English word "irradiation" refers to the process of exposing something to radiation. In Japanese, the translation depends on the context: whether it's about medical treatment, food sterilization, physics, or simply shining light on something.
Exposing a part of the body to radiation for therapeutic purposes, such as cancer treatment.
The standard term for radiotherapy or radiation therapy. Often used in medical contexts.
彼はがんの放射線治療を受けている。
He is undergoing radiation therapy for cancer.
General term for irradiation, often used in medical or technical contexts to mean exposing to radiation or light.
患部に放射線を照射する。
Irradiate the affected area with radiation.
Exposing food to ionizing radiation to kill bacteria and extend shelf life.
The specific term for food irradiation. Used in food safety and regulatory contexts.
食品照射は食中毒を防ぐのに役立つ。
Food irradiation helps prevent food poisoning.
Can be used in the context of food irradiation, but 食品照射 is more precise.
この食品は照射処理されています。
This food has been irradiated.
The process of exposing an object or material to any form of radiation, such as light, X-rays, or particle beams.
The most common and versatile term for irradiation in scientific and technical contexts.
試料に紫外線を照射した。
The sample was irradiated with ultraviolet light.
Means 'radiation' or 'emission', but can be used in compound verbs like 放射する to mean 'to irradiate' or 'to emit radiation'. Less common for the process itself.
Shining light on something, often in photography, art, or everyday situations.
Works for light exposure as well, though it may sound slightly technical.
舞台にスポットライトを照射する。
Shine a spotlight on the stage.
A more everyday way to say 'shine light on' or 'expose to light'. Not as formal as 照射.
植物に光を当てて育てる。
Grow plants by exposing them to light.
照射 is a general term for irradiation with any kind of radiation or light. 放射線治療 specifically refers to medical radiation therapy. Use 照射 for technical descriptions, and 放射線治療 when talking about cancer treatment.
The English word 'irradiation' is not commonly used in everyday conversation. In Japanese, it's often more natural to use a more specific term or phrase depending on the context, rather than always translating it as 照射.
Radioactive materials emit gamma rays.