radiogram
/'reidiougræm/
Definition
- Noun:
- A photographic image produced by radiation: A picture created on a radiation-sensitive surface using forms of electromagnetic radiation other than visible light, such as X-rays or gamma rays, often used for medical or industrial examination.
- A message transmitted by wireless telegraphy: A communication, typically a telegram, sent via radio waves rather than through physical wires.
Usage and Examples
- Noun (Medical/Technical Image):
- The doctor examined the chest radiogram to check for a fracture.
- The radiogram revealed a small anomaly in the metal structure.
- Noun (Wireless Message):
- The ship received a distress radiogram from a nearby vessel.
- In the early 20th century, important news was often sent as a radiogram.
Advanced Usage
- Historical Context: The term for a wireless message is largely historical, associated with early radio communication (e.g., on ships or in wartime). The term for an X-ray image remains in technical use, though "X-ray" or "radiograph" is more common in everyday medical contexts.
- "To send a radiogram": To transmit a message via wireless telegraphy.
- They sent a radiogram to headquarters requesting supplies.
Variants and Related Words
- Radiograph (n): A more precise technical synonym for a photographic image made with radiation, especially X-rays.
- The radiograph provided a clear view of the bone density.
- Radiography (n): The technique or process of creating radiographs.
- She studied radiography to become an X-ray technician.
- Radiogramophone (n, historical/archaic): A combined radio and record player. (Note: "Radiogram" was sometimes a shortened form of this word, but this is a distinct compound term.)
Synonyms
- For the image: X-ray, radiograph, roentgenogram.
- For the message: Wireless telegram, radio telegram, marconigram (a historical term for a radio telegram).
Notes on Different Meanings
The two primary meanings of "radiogram" are distinct and belong to different fields: 1. Medical/Industrial Imaging: Related to radiology and diagnostics. 2. Historical Communications: Related to telecommunications history. The word is rarely used in modern contexts for messaging, having been superseded by digital communication.
Noun
-
a photographic image produced on a radiosensitive surface by radiation other than visible light (especially by X-rays or gamma rays)
-
a message transmitted by wireless telegraphy
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