レントゲン

れんとげん

noun

X-ray

1. X-ray, X-ray examination

An X-ray image or X-ray examination. Named after Wilhelm Röntgen, the discoverer of X-rays. Used in everyday Japanese to refer to both the procedure and the resulting image.

レントゲンを撮(と)る。

To take an X-ray.

レントゲンで骨折(こっせつ)が見(み)つかった。

A fracture was found on the X-ray.

健康(けんこう)診断(しんだん)で胸(むね)のレントゲンを撮(と)ってもらった。

I had a chest X-ray taken during my health checkup.

レントゲン is the standard everyday word for X-ray in Japanese, named after Wilhelm Röntgen. The more technical term is エックス線(せん) (X-ray).

Common collocations

レントゲンを撮(と)る: to take an X-ray
レントゲン写真(しゃしん): X-ray photograph
レントゲン検査(けんさ): X-ray examination
胸(むね)のレントゲン: chest X-ray

Usage

In everyday conversation, レントゲン is far more common than エックス線(せん). It is used by both patients and medical staff in casual settings, while エックス線(せん) appears in formal medical documentation.

Related Words

Related: CT (CT scan, computed tomography)

Compare: 内視鏡(ないしきょう) (endoscope)

Related: 骨折(こっせつ) (bone fracture, broken bone)

general

Added 2026.2.15 11:43 · Revised 2026.10.16 9:44

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