Meaning & use
radiopaque
Last updated
Not allowing X-rays or similar radiation to pass through, and therefore appearing clearly on an X-ray image.
See it in a sentence
The doctor asked the patient to swallow a radiopaque dye before the scan.
Metal implants are radiopaque, which is why they show up bright white on X-rays.
A note on using this word
Commonly used in medicine and dentistry; the opposite term, 'radiolucent,' describes materials that X-rays pass through easily, like soft tissue.
Words with an opposite meaning
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