from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Not allowing the passage of x-rays or other radiation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. impenetrable to X-rays and other radiation

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. not transparent to X-rays or other forms of radiation


Sorry, no etymologies found.


  • It is important to remember that multivitamins with iron contain a smaller quantity of elemental iron and are therefore, less radiopaque than preparations such as ferrous sulfate and that partially dissolved tablets will not be as radiopaque as undissolved tablets.

    Iron Poisoning

  • Gastric emptying via emesis or lavage should be performed in patients who have ingested greater than 40-60 mg./kg. of elemental iron or an unknown amount. 1 Activated charcoal is not useful, unless there are co-ingestants, since it does not bind metals such as iron. 1 Iron tablets are radiopaque, therefore, an abdominal radiograph should be performed to determine if there is evidence of iron tablets in the stomach or small bowel.

    Iron Poisoning

  • HSG requires the insertion of a cannula through the cervix into the uterus through which radiopaque contrast medium is injected and followed by radiographs or fluoroscopy in order to determine that the fallopian tubes are open.

    Reproductive Technology, New (NRT).

  • Basic idea: inject something radiopaque dark on X-rays into the spinal canal, tip the patient upside down to let the material get into the cerebrospinal fluid surrounding the brain, and shoot some X-rays.

    Archive 2005-04-01

  • Heliomolar is more radiopaque than enamel and dentin, and shows up brighter on X-rays.

    206 BONES

  • The spot of dullness on the second upper baby molar glowed white and radiopaque.

    206 BONES

  • This state-of-the-art catheter offers all of the benefits of the predecessor Eagle Eye® Gold catheter, plus improved deliverability and the convenience of additional radiopaque markers.

    The Earth Times Online Newspaper

  • Eagle Eye® Platinum's radiopaque markers should provide a quick and easy way for physicians to estimate lengths without the need for a separate pullback device.

    The Earth Times Online Newspaper

  • The device and leads also contain radiopaque markers, viewable via X-ray, to indicate that the device is MR-Conditional.

    The Earth Times Online Newspaper

  • Highly radiopaque material to provide easy fluoroscopic visualization Aktuelle Nachrichten


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