What does レントゲン mean?
レントゲン is a Japanese noun meaning “X-ray (lit: Roentgen)” in English. It can also be translated as “roentgen (unit of ionizing radiation)” depending on context. It is written as レントゲン in hiragana, and rentogen in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
この間、歯医者行ったら、念のためとか言われて、歯型とレントゲンをとられた。いい商売してるよ。
I went to the dentist recently and he did a cast of my teeth and took an X-ray, just in case. It sounds like a good business to be in.