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Definition of radiologist

radiologist

/ˌreɪdiˈɑːlədʒɪst/
ra · di · ol · o · gist
Adverb:radiologically
•
Plural:radiologists
•
Adjective:radiological
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radiologist Lexical Profile

radiologist Game Scores & Validity

• noun

1

A medical doctor who specializes in diagnosing and treating diseases and injuries using medical imaging techniques, such as X-rays, computed tomography (CT), magnetic resonance imaging (MRI), nuclear medicine, and ultrasound.

Example

"The radiologist carefully examined the patient's chest X-ray to check for any signs of pneumonia."

Synonyms
View all synonyms for radiologist

Word Nuance & Usage

Do not confuse a 'radiologist' with a 'radiographer' (or radiologic technologist): a radiologist is a licensed medical doctor who interprets imaging scans and diagnoses conditions, whereas a radiographer is a healthcare professional who operates the imaging equipment.

• Rhymes for radiologist

• Nearby Words

radiographer
radiography
radiolarian
radiologist
radiology
radioman
radiometer

Word Origin & Etymology

Coined in the late 19th century shortly after the discovery of X-rays, combining the prefix 'radio-' (from Latin 'radius', meaning 'ray' or 'beam') with '-logist' (one who studies or practices a scientific discipline).

Cite this Entry

Wordmom. (2026). Definition of Radiologist. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/radiologist
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