Definition

1. Noun:
   • An X-ray image: A photograph or image produced by exposing photographic film to X-rays, used primarily in medical diagnosis to visualize internal structures of the body.

Usage Examples

• Noun:
  • The doctor examined the chest roentgenogram for signs of pneumonia.
  • A dental roentgenogram revealed a cavity between the teeth.

Advanced Usage

• The term is often used in formal or historical medical contexts. In modern clinical practice, the simpler terms "X-ray" or "radiograph" are more common.
  • The 19th-century roentgenogram provided a fascinating glimpse into early radiographic techniques.

Variants and Related Words

• Radiograph (n): A more general term for an image produced by radiation, including X-rays.
  • The radiograph confirmed the fracture.
• Roentgenography (n): The process or technique of making roentgenograms.
  • Roentgenography is a fundamental tool in diagnostic imaging.

Synonyms

• X-ray: The most common synonym in everyday and medical language.
• Radiogram: An older term for an image produced by radiant energy.

Notes on Meaning

• The word is derived from Wilhelm Conrad Röntgen, the German physicist who discovered X-rays in 1895. It specifically denotes the resulting photographic record, not the radiation itself or the act of taking the image.

Noun

1. a radiogram made by exposing photographic film to X rays; used in medical diagnosis